diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index 9b77128..28bdbff 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -96,7 +96,7 @@ Boston, MA 02110-1301, USA.
 #define TQ_MetaButton		MetaButton
 #define TQ_WFlags		TQt::WFlags
 #define TQIODevice_OpenModeFlag int
-#define OpenMode		int
+#define TQ_OpenMode		int
 
 #define TQPOINT_OBJECT_NAME_STRING		"QPoint"
 #define TQBYTEARRAY_OBJECT_NAME_STRING		"QByteArray"