diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index b56df0b..c37f790 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -330,7 +330,10 @@ Boston, MA 02110-1301, USA.
 
 #define TQAlignCenter AlignCenter
 #define TQNoBrush NoBrush
+
+#ifndef TQT_REAL_TQT
 #define aboutTQt aboutQt
+#endif
 
 #define tqred red
 #define tqgreen green