--- etc/wpa_supplicant/ifupdown.sh.orig	2006-11-08 23:16:45.000000000 +0100
+++ etc/wpa_supplicant/ifupdown.sh	2006-11-25 21:06:52.991769200 +0100
@@ -35,6 +35,13 @@
 	exit 0
 fi
 
+if [ "$IF_WPA_ROAM" = slave ]; then
+	if [ "$MODE" = stop ] && [ "$PHASE" = pre-down ]; then
+		/sbin/wpa_action "$IFACE" stop
+	fi
+	exit 0
+fi
+
 # quit if wpa_action is active
 if test_wpa_cli; then
 	exit 0