diff --git a/workspace/kwin/main.cpp b/workspace/kwin/main.cpp
index e0904f1..4b90bca 100644
--- kdebase-workspace/kwin/main.cpp
+++ kdebase-workspace/kwin/main.cpp
@@ -402,6 +402,8 @@ static const char description[] = I18N_NOOP( "KDE window manager" );
 extern "C"
 KDE_EXPORT int kdemain( int argc, char * argv[] )
     {
+    static char glib_disable[] = "QT_NO_GLIB=1";
+    putenv(glib_disable);
     bool restored = false;
     for (int arg = 1; arg < argc; arg++)
         {