diff --git a/applets/wnck/tasklist/tasklist-widget.c b/applets/wnck/tasklist/tasklist-widget.c
index ac3c77c..3fa1543 100644
--- a/applets/wnck/tasklist/tasklist-widget.c
+++ b/applets/wnck/tasklist/tasklist-widget.c
@@ -2695,7 +2695,7 @@ static void xfce_tasklist_button_enter_notify_event_disconnected(gpointer data,
 	 * to the window we proxy and thus not disconnected when the
 	 * proxy dies */
 	g_signal_handlers_disconnect_by_func(child->window,
-	                                     xfce_tasklist_button_geometry_changed,
+	                                     xfce_tasklist_button_geometry_changed2,
 	                                     child);
 
 	g_object_unref(G_OBJECT(child->window));