diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index 343d939..14d1ae5 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -977,6 +977,8 @@ Boston, MA 02110-1301, USA.
 #define TQ_ULONG	Q_ULONG
 #define TQ_ULLONG	Q_ULLONG
 
+#ifndef TQT_REAL_TQT
+
 #define tqRed	qRed
 #define tqGreen	qGreen
 #define tqBlue	qBlue
@@ -984,6 +986,9 @@ Boston, MA 02110-1301, USA.
 #define tqRgb	qRgb
 #define tqRgba	qRgba
 #define tqGray	qGray
+
+#endif
+
 #define tqCompress	qCompress
 #define tqInstallMsgHandler	qInstallMsgHandler