diff --git a/src/katemdi.cpp b/src/katemdi.cpp
index 6fa7781..d380621 100644
--- a/src/katemdi.cpp
+++ b/src/katemdi.cpp
@@ -181,8 +181,8 @@ bool ToolView::visible () const
 void ToolView::childEvent ( TQChildEvent *ev )
 {
   // set the widget to be focus proxy if possible
-  if (ev->inserted() && ev->child() && TQT_TQOBJECT(ev->child())->tqt_cast(TQWIDGET_OBJECT_NAME_STRING))
-    setFocusProxy ((TQWidget *)(TQT_TQOBJECT(ev->child())->tqt_cast(TQWIDGET_OBJECT_NAME_STRING)));
+  if (ev->inserted() && ev->child() && TQT_TQOBJECT(ev->child())->tqt_cast("TQWidget"))
+    setFocusProxy ((TQWidget *)(TQT_TQOBJECT(ev->child())->tqt_cast("TQWidget")));
 
   TQVBox::childEvent (ev);
 }