diff --git a/SysBuild/guibased/qt-all-opensource b/SysBuild/guibased/qt-all-opensource
index 2cd01a3..1e884f0 100644
--- a/SysBuild/guibased/qt-all-opensource
+++ b/SysBuild/guibased/qt-all-opensource
@@ -208,7 +208,8 @@ postmk() {
 	GetSVN Viitor_qt-4 $TMPROOT
 	cd ../qt-*
 	rm -r ../build-qt
-	cat >$TPROOT/opt/qt-4/include/Qt/qconfig.h << "EOF"
+	if [ "$MK64BIT" == "true" ]; then
+		cat >$TPROOT/opt/qt-4/include/Qt/qconfig.h << "EOF"
 /* qconfig.h - Stub Header */
 #ifndef __STUB__QCONFIG_H__
 #define __STUB__QCONFIG_H__
@@ -242,4 +243,5 @@ EOF
 
 #endif /* __STUB_QCONFIG_H__ */
 EOF
+	fi
 }