diff --git a/qtinterface/tqt.h b/qtinterface/tqt.h
index b4d7583..91413f1 100644
--- a/qtinterface/tqt.h
+++ b/qtinterface/tqt.h
@@ -762,6 +762,8 @@ Boston, MA 02110-1301, USA.
 #define tqlayoutChanged	layoutChanged
 #define tqsetVisible	setVisible
 #define tqsetUpdatesEnabled	setUpdatesEnabled
+#define tqfindExtension	findExtension
+#define tqfindHistory	findHistory
 
 #define tqdrawPrimitive			drawPrimitive
 #define tqdrawControlMask		drawControlMask