diff --git a/buildconfig/BuildConfig.cpp.in b/buildconfig/BuildConfig.cpp.in
index 02c021cf2..353731896 100644
--- a/buildconfig/BuildConfig.cpp.in
+++ b/buildconfig/BuildConfig.cpp.in
@@ -77,6 +77,7 @@ Config::Config()
     // Assume that builds outside of Git repos are "stable"
     if (GIT_REFSPEC == QStringLiteral("GITDIR-NOTFOUND")
         || GIT_TAG == QStringLiteral("GITDIR-NOTFOUND")
+        || GIT_REFSPEC == QStringLiteral("")
         || GIT_TAG == QStringLiteral("GIT-NOTFOUND"))
     {
         GIT_REFSPEC = "refs/heads/stable";