diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index 7395d05..e0e7ed1 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -197,11 +197,16 @@ Boston, MA 02110-1301, USA.
 #define TQSO_Default		Default
 #define SO_Default		Default
 #define tqstrcmp		qstrcmp
-#define tqqt_cast		qt_cast
 #define tqt_dynamic_cast	dynamic_cast
 #define TQImage_ScaleFree	QImage::ScaleFree
 #define TQIODevice_OpenModeFlag int
 
+#ifdef TQT_REAL_TQT
+#define tqqt_cast		tqt_cast
+#else
+#define tqqt_cast		qt_cast
+#endif
+
 #ifndef TQT_REAL_TQT
 
 #define TQPOINT_OBJECT_NAME_STRING		"QPoint"