diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index e573871d0d..c1b8439792 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -2709,7 +2709,7 @@ void wxWindowGTK::PostCreation()
             g_signal_connect (m_wxwindow, "expose_event",
                               G_CALLBACK (gtk_window_expose_callback), this);
 
-            // gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), !HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
+            gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
         }
 
         // Create input method handler