diff --git a/gtk/gtktoolbar.c b/gtk/gtktoolbar.c
index 46fd98fd7c..54ed539601 100644
--- a/gtk/gtktoolbar.c
+++ b/gtk/gtktoolbar.c
@@ -1216,7 +1216,7 @@ slide_idle_handler (gpointer data)
 
   if (priv->need_sync)
     {
-      gdk_flush ();
+      gdk_display_flush (gtk_widget_get_display (data));
       priv->need_sync = FALSE;
     }