diff --git a/package/iptables/files/firewall.init b/package/iptables/files/firewall.init
index 04b37bdc4cf4e08027183e84c4e3637f148c2dd3..6f1ba8b156f0dda07a6ab140c366606529915968 100755
--- a/package/iptables/files/firewall.init
+++ b/package/iptables/files/firewall.init
@@ -87,7 +87,7 @@ start() {
 	iptables -A FORWARD -j forwarding_rule
 	
 	# allow
-	iptables -A FORWARD -i br0 -o br0 -j ACCEPT
+	iptables -A FORWARD -i $LAN -o $LAN -j ACCEPT
 	[ -z "$WAN" ] || iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT
 	
 	# reject (what to do with anything not allowed earlier)