Index: xfce4-panel-4.6.2/libxfce4panel/xfce-panel-window.c
===================================================================
--- xfce4-panel-4.6.2/libxfce4panel/xfce-panel-window.c
+++ xfce4-panel-4.6.2/libxfce4panel/xfce-panel-window.c	2009-12-23 10:43:32.968369166 +0100
@@ -305,7 +305,6 @@
     GTK_WIDGET_SET_FLAGS (GTK_WIDGET (panel_window), GTK_CAN_FOCUS);
 
     g_object_set (G_OBJECT (panel_window),
-                  "type", GTK_WINDOW_TOPLEVEL,
                   "decorated", FALSE,
                   "resizable", FALSE,
                   "type-hint", GDK_WINDOW_TYPE_HINT_DOCK,