diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 364ad3014..e4c388e7c 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -906,6 +906,9 @@ SET(LAUNCHER_SOURCES
     ui/pages/modplatform/ImportPage.cpp
     ui/pages/modplatform/ImportPage.h
 
+    ui/pages/modplatform/OptionalModDialog.cpp
+    ui/pages/modplatform/OptionalModDialog.h
+
     ui/pages/modplatform/modrinth/ModrinthResourceModels.cpp
     ui/pages/modplatform/modrinth/ModrinthResourceModels.h
     ui/pages/modplatform/modrinth/ModrinthResourcePages.cpp
@@ -1068,6 +1071,7 @@ qt_wrap_ui(LAUNCHER_UI
     ui/pages/modplatform/legacy_ftb/Page.ui
     ui/pages/modplatform/import_ftb/ImportFTBPage.ui
     ui/pages/modplatform/ImportPage.ui
+    ui/pages/modplatform/OptionalModDialog.ui
     ui/pages/modplatform/modrinth/ModrinthPage.ui
     ui/pages/modplatform/technic/TechnicPage.ui
     ui/widgets/InstanceCardWidget.ui
diff --git a/launcher/modplatform/atlauncher/ATLPackIndex.cpp b/launcher/modplatform/atlauncher/ATLPackIndex.cpp
index 3be169739..678db63cc 100644
--- a/launcher/modplatform/atlauncher/ATLPackIndex.cpp
+++ b/launcher/modplatform/atlauncher/ATLPackIndex.cpp
@@ -43,5 +43,5 @@ void ATLauncher::loadIndexedPack(ATLauncher::IndexedPack& m, QJsonObject& obj)
     m.system = Json::ensureBoolean(obj, QString("system"), false);
     m.description = Json::ensureString(obj, "description", "");
 
-    m.safeName = Json::requireString(obj, "name").replace(QRegularExpression("[^A-Za-z0-9]"), "");
+    m.safeName = Json::requireString(obj, "name").replace(QRegularExpression("[^A-Za-z0-9]"), "").toLower() + ".png";
 }
diff --git a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
index 45b4e2125..ead5b464e 100644
--- a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
+++ b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
@@ -62,6 +62,7 @@
 #include "minecraft/World.h"
 #include "minecraft/mod/tasks/LocalResourceParse.h"
 #include "net/ApiDownload.h"
+#include "ui/pages/modplatform/OptionalModDialog.h"
 
 static const FlameAPI api;
 
@@ -509,13 +510,33 @@ void FlameCreationTask::idResolverSucceeded(QEventLoop& loop)
 void FlameCreationTask::setupDownloadJob(QEventLoop& loop)
 {
     m_files_job.reset(new NetJob(tr("Mod Download Flame"), APPLICATION->network()));
-    for (const auto& result : m_mod_id_resolver->getResults().files) {
-        QString filename = result.fileName;
+    auto results = m_mod_id_resolver->getResults().files;
+
+    QStringList optionalFiles;
+    for (auto& result : results) {
         if (!result.required) {
-            filename += ".disabled";
+            optionalFiles << FS::PathCombine(result.targetFolder, result.fileName);
+        }
+    }
+
+    QStringList selectedOptionalMods;
+    if (!optionalFiles.empty()) {
+        OptionalModDialog optionalModDialog(m_parent, optionalFiles);
+        if (optionalModDialog.exec() == QDialog::Rejected) {
+            emitAborted();
+            loop.quit();
+            return;
         }
 
-        auto relpath = FS::PathCombine("minecraft", result.targetFolder, filename);
+        selectedOptionalMods = optionalModDialog.getResult();
+    }
+    for (const auto& result : results) {
+        auto relpath = FS::PathCombine(result.targetFolder, result.fileName);
+        if (!result.required && !selectedOptionalMods.contains(relpath)) {
+            relpath += ".disabled";
+        }
+
+        relpath = FS::PathCombine("minecraft", relpath);
         auto path = FS::PathCombine(m_stagingPath, relpath);
 
         switch (result.type) {
diff --git a/launcher/modplatform/flame/FlamePackIndex.cpp b/launcher/modplatform/flame/FlamePackIndex.cpp
index 71f1e4a2d..ca8e0a853 100644
--- a/launcher/modplatform/flame/FlamePackIndex.cpp
+++ b/launcher/modplatform/flame/FlamePackIndex.cpp
@@ -1,4 +1,6 @@
 #include "FlamePackIndex.h"
+#include <QFileInfo>
+#include <QUrl>
 
 #include "Json.h"
 
@@ -9,8 +11,8 @@ void Flame::loadIndexedPack(Flame::IndexedPack& pack, QJsonObject& obj)
     pack.description = Json::ensureString(obj, "summary", "");
 
     auto logo = Json::requireObject(obj, "logo");
-    pack.logoName = Json::requireString(logo, "title");
     pack.logoUrl = Json::requireString(logo, "thumbnailUrl");
+    pack.logoName = Json::requireString(obj, "slug") + "." + QFileInfo(QUrl(pack.logoUrl).fileName()).suffix();
 
     auto authors = Json::requireArray(obj, "authors");
     for (auto authorIter : authors) {
diff --git a/launcher/modplatform/flame/PackManifest.h b/launcher/modplatform/flame/PackManifest.h
index 854cdbc41..4417c2430 100644
--- a/launcher/modplatform/flame/PackManifest.h
+++ b/launcher/modplatform/flame/PackManifest.h
@@ -48,7 +48,7 @@ struct File {
 
     int projectId = 0;
     int fileId = 0;
-    // NOTE: the opposite to 'optional'. This is at the time of writing unused.
+    // NOTE: the opposite to 'optional'
     bool required = true;
     QString hash;
     // NOTE: only set on blocked files ! Empty otherwise.
diff --git a/launcher/modplatform/modrinth/ModrinthInstanceCreationTask.cpp b/launcher/modplatform/modrinth/ModrinthInstanceCreationTask.cpp
index 9ff6b374d..e732ad39c 100644
--- a/launcher/modplatform/modrinth/ModrinthInstanceCreationTask.cpp
+++ b/launcher/modplatform/modrinth/ModrinthInstanceCreationTask.cpp
@@ -9,6 +9,7 @@
 
 #include "modplatform/helpers/OverrideUtils.h"
 
+#include "modplatform/modrinth/ModrinthPackManifest.h"
 #include "net/ChecksumValidator.h"
 
 #include "net/ApiDownload.h"
@@ -16,8 +17,10 @@
 #include "settings/INISettingsObject.h"
 
 #include "ui/dialogs/CustomMessageBox.h"
+#include "ui/pages/modplatform/OptionalModDialog.h"
 
 #include <QAbstractButton>
+#include <vector>
 
 bool ModrinthCreationTask::abort()
 {
@@ -319,10 +322,10 @@ bool ModrinthCreationTask::parseManifest(const QString& index_path,
             }
 
             auto jsonFiles = Json::requireIsArrayOf<QJsonObject>(obj, "files", "modrinth.index.json");
-            bool had_optional = false;
+            std::vector<Modrinth::File> optionalFiles;
             for (const auto& modInfo : jsonFiles) {
                 Modrinth::File file;
-                file.path = Json::requireString(modInfo, "path");
+                file.path = Json::requireString(modInfo, "path").replace("\\", "/");
 
                 auto env = Json::ensureObject(modInfo, "env");
                 // 'env' field is optional
@@ -331,18 +334,7 @@ bool ModrinthCreationTask::parseManifest(const QString& index_path,
                     if (support == "unsupported") {
                         continue;
                     } else if (support == "optional") {
-                        // TODO: Make a review dialog for choosing which ones the user wants!
-                        if (!had_optional && show_optional_dialog) {
-                            had_optional = true;
-                            auto info = CustomMessageBox::selectable(
-                                m_parent, tr("Optional mod detected!"),
-                                tr("One or more mods from this modpack are optional. They will be downloaded, but disabled by default!"),
-                                QMessageBox::Information);
-                            info->exec();
-                        }
-
-                        if (file.path.endsWith(".jar"))
-                            file.path += ".disabled";
+                        file.required = false;
                     }
                 }
 
@@ -385,9 +377,29 @@ bool ModrinthCreationTask::parseManifest(const QString& index_path,
                     }
                 }
 
-                files.push_back(file);
+                (file.required ? files : optionalFiles).push_back(file);
             }
 
+            if (!optionalFiles.empty()) {
+                QStringList oFiles;
+                for (auto file : optionalFiles)
+                    oFiles.push_back(file.path);
+                OptionalModDialog optionalModDialog(m_parent, oFiles);
+                if (optionalModDialog.exec() == QDialog::Rejected) {
+                    emitAborted();
+                    return false;
+                }
+
+                auto selectedMods = optionalModDialog.getResult();
+                for (auto file : optionalFiles) {
+                    if (selectedMods.contains(file.path)) {
+                        file.required = true;
+                    } else {
+                        file.path += ".disabled";
+                    }
+                    files.push_back(file);
+                }
+            }
             if (set_internal_data) {
                 auto dependencies = Json::requireObject(obj, "dependencies", "modrinth.index.json");
                 for (auto it = dependencies.begin(), end = dependencies.end(); it != end; ++it) {
diff --git a/launcher/modplatform/modrinth/ModrinthPackManifest.cpp b/launcher/modplatform/modrinth/ModrinthPackManifest.cpp
index a154317fe..736b34b8d 100644
--- a/launcher/modplatform/modrinth/ModrinthPackManifest.cpp
+++ b/launcher/modplatform/modrinth/ModrinthPackManifest.cpp
@@ -35,6 +35,7 @@
  */
 
 #include "ModrinthPackManifest.h"
+#include <QFileInfo>
 #include "Json.h"
 
 #include "modplatform/modrinth/ModrinthAPI.h"
@@ -56,8 +57,8 @@ void loadIndexedPack(Modpack& pack, QJsonObject& obj)
     pack.description = Json::ensureString(obj, "description");
     auto temp_author_name = Json::ensureString(obj, "author");
     pack.author = std::make_tuple(temp_author_name, api.getAuthorURL(temp_author_name));
-    pack.iconName = QString("modrinth_%1").arg(Json::ensureString(obj, "slug"));
     pack.iconUrl = Json::ensureString(obj, "icon_url");
+    pack.iconName = QString("modrinth_%1.%2").arg(Json::ensureString(obj, "slug"), QFileInfo(pack.iconUrl.fileName()).suffix());
 }
 
 void loadIndexedInfo(Modpack& pack, QJsonObject& obj)
diff --git a/launcher/modplatform/modrinth/ModrinthPackManifest.h b/launcher/modplatform/modrinth/ModrinthPackManifest.h
index 8e5306774..6fc55a043 100644
--- a/launcher/modplatform/modrinth/ModrinthPackManifest.h
+++ b/launcher/modplatform/modrinth/ModrinthPackManifest.h
@@ -57,6 +57,7 @@ struct File {
     QCryptographicHash::Algorithm hashAlgorithm;
     QByteArray hash;
     QQueue<QUrl> downloads;
+    bool required = true;
 };
 
 struct DonationData {
diff --git a/launcher/ui/dialogs/NewInstanceDialog.cpp b/launcher/ui/dialogs/NewInstanceDialog.cpp
index 9613c6b00..4c8708bc7 100644
--- a/launcher/ui/dialogs/NewInstanceDialog.cpp
+++ b/launcher/ui/dialogs/NewInstanceDialog.cpp
@@ -237,8 +237,7 @@ void NewInstanceDialog::setSuggestedIcon(const QString& key)
 
 InstanceTask* NewInstanceDialog::extractTask()
 {
-    InstanceTask* extracted = creationTask.get();
-    creationTask.release();
+    InstanceTask* extracted = creationTask.release();
 
     InstanceName inst_name(ui->instNameTextBox->placeholderText().trimmed(), importVersion);
     inst_name.setName(ui->instNameTextBox->text().trimmed());
diff --git a/launcher/ui/pages/modplatform/OptionalModDialog.cpp b/launcher/ui/pages/modplatform/OptionalModDialog.cpp
new file mode 100644
index 000000000..fc1c8b3cb
--- /dev/null
+++ b/launcher/ui/pages/modplatform/OptionalModDialog.cpp
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "OptionalModDialog.h"
+#include "ui_OptionalModDialog.h"
+
+OptionalModDialog::OptionalModDialog(QWidget* parent, const QStringList& mods) : QDialog(parent), ui(new Ui::OptionalModDialog)
+{
+    ui->setupUi(this);
+    for (const QString& mod : mods) {
+        auto item = new QListWidgetItem(mod, ui->list);
+        item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
+        item->setCheckState(Qt::Unchecked);
+        item->setData(Qt::UserRole, mod);
+    }
+
+    connect(ui->selectAllButton, &QPushButton::clicked, ui->list, [this] {
+        for (int i = 0; i < ui->list->count(); i++)
+            ui->list->item(i)->setCheckState(Qt::Checked);
+    });
+    connect(ui->clearAllButton, &QPushButton::clicked, ui->list, [this] {
+        for (int i = 0; i < ui->list->count(); i++)
+            ui->list->item(i)->setCheckState(Qt::Unchecked);
+    });
+    connect(ui->list, &QListWidget::itemActivated, [](QListWidgetItem* item) {
+        if (item->checkState() == Qt::Checked)
+            item->setCheckState(Qt::Unchecked);
+        else
+            item->setCheckState(Qt::Checked);
+    });
+}
+
+OptionalModDialog::~OptionalModDialog()
+{
+    delete ui;
+}
+
+QStringList OptionalModDialog::getResult()
+{
+    QStringList result;
+    result.reserve(ui->list->count());
+    for (int i = 0; i < ui->list->count(); i++) {
+        auto item = ui->list->item(i);
+        if (item->checkState() == Qt::Checked)
+            result.append(item->data(Qt::UserRole).toString());
+    }
+    return result;
+}
diff --git a/launcher/ui/pages/modplatform/OptionalModDialog.h b/launcher/ui/pages/modplatform/OptionalModDialog.h
new file mode 100644
index 000000000..1897c1fca
--- /dev/null
+++ b/launcher/ui/pages/modplatform/OptionalModDialog.h
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QAbstractListModel>
+#include <QDialog>
+
+namespace Ui {
+class OptionalModDialog;
+}
+
+class OptionalModDialog : public QDialog {
+    Q_OBJECT
+
+   public:
+    OptionalModDialog(QWidget* parent, const QStringList& mods);
+    ~OptionalModDialog() override;
+
+    QStringList getResult();
+
+   private:
+    Ui::OptionalModDialog* ui;
+};
diff --git a/launcher/ui/pages/modplatform/OptionalModDialog.ui b/launcher/ui/pages/modplatform/OptionalModDialog.ui
new file mode 100644
index 000000000..0b809d2cb
--- /dev/null
+++ b/launcher/ui/pages/modplatform/OptionalModDialog.ui
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>OptionalModDialog</class>
+ <widget class="QDialog" name="OptionalModDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>550</width>
+    <height>310</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Select Optional Mods</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_2">
+   <item row="1" column="0">
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QListWidget" name="list">
+       <property name="defaultDropAction">
+        <enum>Qt::IgnoreAction</enum>
+       </property>
+       <property name="alternatingRowColors">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <widget class="QPushButton" name="selectAllButton">
+         <property name="text">
+          <string>Select All</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="clearAllButton">
+         <property name="text">
+          <string>Deselect All</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QLabel" name="label">
+         <property name="text">
+          <string>Unchecked mods will be disabled.</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>OptionalModDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>274</x>
+     <y>284</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>274</x>
+     <y>154</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>OptionalModDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>274</x>
+     <y>284</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>274</x>
+     <y>154</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
index b6fb71535..d46b97af1 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
@@ -63,7 +63,7 @@ QVariant ListModel::data(const QModelIndex& index, int role) const
             }
             auto icon = APPLICATION->getThemedIcon("atlauncher-placeholder");
 
-            auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/images/%1.png").arg(pack.safeName.toLower());
+            auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/images/%1").arg(pack.safeName);
             ((ListModel*)this)->requestLogo(pack.safeName, url);
 
             return icon;
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.h b/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.h
index 55903003b..767d277d9 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.h
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.h
@@ -38,7 +38,7 @@
 #include <QAbstractListModel>
 #include <QDialog>
 
-#include "modplatform/atlauncher/ATLPackIndex.h"
+#include "modplatform/atlauncher/ATLPackManifest.h"
 #include "net/NetJob.h"
 
 namespace Ui {
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
index c7e800278..e492830c6 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
@@ -114,8 +114,8 @@ void AtlPage::suggestCurrent()
     auto uiSupport = new AtlUserInteractionSupportImpl(this);
     dialog->setSuggestedPack(selected.name, selectedVersion, new ATLauncher::PackInstallTask(uiSupport, selected.name, selectedVersion));
 
-    auto editedLogoName = selected.safeName;
-    auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/images/%1.png").arg(selected.safeName.toLower());
+    auto editedLogoName = "atl_" + selected.safeName;
+    auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/images/%1").arg(selected.safeName);
     listModel->getLogo(selected.safeName, url,
                        [this, editedLogoName](QString logo) { dialog->setSuggestedIconFromFile(logo, editedLogoName); });
 }
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.cpp b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
index 584d94ad9..16055c4bb 100644
--- a/launcher/ui/pages/modplatform/flame/FlamePage.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
@@ -228,8 +228,7 @@ void FlamePage::suggestCurrent()
     extra_info.insert("pack_version_id", QString::number(version.fileId));
 
     dialog->setSuggestedPack(current.name, new InstanceImportTask(version.downloadUrl, this, std::move(extra_info)));
-    QString editedLogoName;
-    editedLogoName = "curseforge_" + current.logoName;
+    QString editedLogoName = "curseforge_" + current.logoName;
     listModel->getLogo(current.logoName, current.logoUrl,
                        [this, editedLogoName](QString logo) { dialog->setSuggestedIconFromFile(logo, editedLogoName); });
 }
diff --git a/launcher/ui/pages/modplatform/import_ftb/ImportFTBPage.cpp b/launcher/ui/pages/modplatform/import_ftb/ImportFTBPage.cpp
index d3ead0837..43ff1c0fe 100644
--- a/launcher/ui/pages/modplatform/import_ftb/ImportFTBPage.cpp
+++ b/launcher/ui/pages/modplatform/import_ftb/ImportFTBPage.cpp
@@ -90,7 +90,7 @@ void ImportFTBPage::suggestCurrent()
     }
 
     dialog->setSuggestedPack(selected.name, new PackInstallTask(selected));
-    QString editedLogoName = QString("ftb_%1").arg(selected.id);
+    QString editedLogoName = QString("ftb_%1_%2,jpg").arg(selected.name, selected.id);
     dialog->setSuggestedIconFromFile(FS::PathCombine(selected.path, "folder.jpg"), editedLogoName);
 }
 
diff --git a/launcher/ui/pages/modplatform/legacy_ftb/Page.cpp b/launcher/ui/pages/modplatform/legacy_ftb/Page.cpp
index 4104f1391..0ecaf4625 100644
--- a/launcher/ui/pages/modplatform/legacy_ftb/Page.cpp
+++ b/launcher/ui/pages/modplatform/legacy_ftb/Page.cpp
@@ -179,15 +179,11 @@ void Page::suggestCurrent()
     }
 
     dialog->setSuggestedPack(selected.name, selectedVersion, new PackInstallTask(APPLICATION->network(), selected, selectedVersion));
-    QString editedLogoName;
-    if (selected.logo.toLower().startsWith("ftb")) {
-        editedLogoName = selected.logo;
-    } else {
-        editedLogoName = "ftb_" + selected.logo;
+    QString editedLogoName = selected.logo;
+    if (!selected.logo.toLower().startsWith("ftb")) {
+        editedLogoName = "ftb_" + editedLogoName;
     }
 
-    editedLogoName = editedLogoName.left(editedLogoName.lastIndexOf(".png"));
-
     if (selected.type == PackType::Public) {
         publicListModel->getLogo(selected.logo,
                                  [this, editedLogoName](QString logo) { dialog->setSuggestedIconFromFile(logo, editedLogoName); });
diff --git a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
index 3cd1d9a2d..6f1810d71 100644
--- a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
+++ b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
@@ -41,7 +41,9 @@
 #include "net/ApiDownload.h"
 #include "ui/widgets/ProjectItem.h"
 
+#include <QFileInfo>
 #include <QIcon>
+#include <QUrl>
 
 Technic::ListModel::ListModel(QObject* parent) : QAbstractListModel(parent) {}
 
@@ -193,7 +195,7 @@ void Technic::ListModel::searchRequestFinished()
                         pack.logoName = "null";
                     } else {
                         pack.logoUrl = rawURL;
-                        pack.logoName = rawURL.section(QLatin1Char('/'), -1);
+                        pack.logoName = pack.slug + "." + QFileInfo(QUrl(rawURL).fileName()).suffix();
                     }
                     pack.broken = false;
                     newList.append(pack);
@@ -215,7 +217,7 @@ void Technic::ListModel::searchRequestFinished()
                     auto iconUrl = Json::requireString(iconObj, "url");
 
                     pack.logoUrl = iconUrl;
-                    pack.logoName = iconUrl.section(QLatin1Char('/'), -1);
+                    pack.logoName = pack.slug + "." + QFileInfo(QUrl(iconUrl).fileName()).suffix();
                 } else {
                     pack.logoUrl = "null";
                     pack.logoName = "null";