diff --git a/contrib/src/fl/controlbar.cpp b/contrib/src/fl/controlbar.cpp
index afe63e5af0..6435786914 100644
--- a/contrib/src/fl/controlbar.cpp
+++ b/contrib/src/fl/controlbar.cpp
@@ -1155,6 +1155,9 @@ void wxFrameLayout::PositionPanes()
 
 void wxFrameLayout::OnSize( wxSizeEvent& event )
 {
+    mpFrame->ProcessEvent( event );
+    event.Skip( FALSE ); // stop its progpagation
+
     if ( event.GetEventObject() == (wxObject*) mpFrame )
     {
         GetUpdatesManager().OnStartChanges();