diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index ab2186dcb5..067d755422 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -3516,6 +3516,8 @@ gtk_window_set_type_hint (GtkWindow           *window,
   else
     priv->reset_type_hint = TRUE;
 
+  g_object_notify (G_OBJECT (window), "type-hint");
+
   update_window_buttons (window);
 }