diff --git a/sip/qt/qobject.sip b/sip/qt/qobject.sip
index 55a9e1c..8829ac1 100644
--- a/sip/qt/qobject.sip
+++ b/sip/qt/qobject.sip
@@ -1358,7 +1358,7 @@ public:
 		return staticMetaObject();
 	}
 
-	virtual bool qt_invoke(int, TQUObject *args);
+	virtual bool tqt_invoke(int, TQUObject *args);
 	static TQMetaObject *staticMetaObject();
 
 	static TQObject *lastSender;
@@ -1459,10 +1459,10 @@ TQMetaObject *UniversalSlot::staticMetaObject()
 }
 
 
-bool UniversalSlot::qt_invoke(int id, TQUObject *qargs)
+bool UniversalSlot::tqt_invoke(int id, TQUObject *qargs)
 {
 	if (id - staticMetaObject()->slotOffset() != 0)
-		return TQObject::qt_invoke(id, qargs);
+		return TQObject::tqt_invoke(id, qargs);
 
 	bool ok = TRUE;
 	const pyqt3Signature *psig = conn.sc_signature;