diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11b6b63f2..fdc61c061 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
     if(CMAKE_HOST_SYSTEM_VERSION MATCHES ".*[Mm]icrosoft.*" OR
         CMAKE_HOST_SYSTEM_VERSION MATCHES ".*WSL.*"
     )
-        message(FATAL_ERROR "This is not a supported environment for any purpose and should never be used.")
+        message(FATAL_ERROR "Building MultiMC is not supported in Linux-on-Windows distributions.")
     endif()
 endif()
 
diff --git a/application/MultiMC.cpp b/application/MultiMC.cpp
index 9897d02b6..53044c51e 100644
--- a/application/MultiMC.cpp
+++ b/application/MultiMC.cpp
@@ -158,8 +158,8 @@ MultiMC::MultiMC(int &argc, char **argv) : QApplication(argc, argv)
             ) {
                 showFatalErrorMessage(
                     "Unsupported system detected!",
-                    "It seems you are supporting the exploitation of Free Software.\n\n"
-                    "You smell bad and you should feel bad."
+                    "Linux-on-Windows distributions are not supported.\n\n"
+                    "Please use the Windows MultiMC binary when playing on Windows."
                 );
                 return;
             }