diff -rupN --no-dereference qtbase-everywhere-src-5.15.12/src/corelib/global/qlibraryinfo.cpp qtbase-everywhere-src-5.15.12-new/src/corelib/global/qlibraryinfo.cpp
--- qtbase-everywhere-src-5.15.12/src/corelib/global/qlibraryinfo.cpp	2023-10-17 14:50:53.000000000 +0200
+++ qtbase-everywhere-src-5.15.12-new/src/corelib/global/qlibraryinfo.cpp	2024-02-15 09:58:50.660212228 +0100
@@ -677,7 +677,7 @@ static QString getPrefix(
     if (group == QLibraryInfo::DevicePaths)
         return QString::fromLocal8Bit(QT_CONFIGURE_PREFIX_PATH);
 #  endif
-    return getExtPrefixFromHostBinDir();
+    return QString::fromLocal8Bit(QT_CONFIGURE_PREFIX_PATH);
 #elif QT_CONFIG(relocatable)
     return getRelocatablePrefix();
 #else