diff -Nuard gnome-panel-2.4.1.orig/libpanel-applet/panel-applet.c gnome-panel-2.4.1/libpanel-applet/panel-applet.c
--- gnome-panel-2.4.1.orig/libpanel-applet/panel-applet.c	2003-07-08 18:04:34.000000000 +0200
+++ gnome-panel-2.4.1/libpanel-applet/panel-applet.c	2003-10-29 21:46:14.000000000 +0100
@@ -370,6 +370,11 @@
 	g_free (applet->priv->prefs_key);
 	g_free (applet->priv->background);
 	g_free (applet->priv->iid);
+	
+	if (applet->priv->closure)
+		g_closure_unref (applet->priv->closure);
+		
+	applet->priv->closure = NULL;
 
 	g_free (applet->priv);
 	applet->priv = NULL;