diff --git a/src/osx/cocoa/window.mm b/src/osx/cocoa/window.mm
index 305546fbb2..829674fbb8 100644
--- a/src/osx/cocoa/window.mm
+++ b/src/osx/cocoa/window.mm
@@ -812,7 +812,7 @@ void wxWidgetCocoaImpl::SetupMouseEvent( wxMouseEvent &wxevent , NSEvent * nsEve
 - (BOOL) canBecomeKeyView
 {
     wxWidgetCocoaImpl* viewimpl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
-    if ( viewimpl && viewimpl->GetWXPeer() )
+    if ( viewimpl && viewimpl->IsUserPane() && viewimpl->GetWXPeer() )
         return viewimpl->GetWXPeer()->AcceptsFocus();
     return NO;
 }