diff --git a/files/miniupnpd.init b/files/miniupnpd.init
index 8e37eab..8ba8595 100644
--- a/files/miniupnpd.init
+++ b/files/miniupnpd.init
@@ -63,7 +63,7 @@ upnpd() {
 	local use_stun stun_host stun_port uuid notify_interval presentation_url
 	local upnp_lease_file clean_ruleset_threshold clean_ruleset_interval
 	local ipv6_disable
-	local force_forwarding
+	local ext_allow_private_ipv4
 
 	local enabled
 	config_get_bool enabled config enabled 1
@@ -91,7 +91,7 @@ upnpd() {
 	config_get clean_ruleset_threshold config clean_ruleset_threshold
 	config_get clean_ruleset_interval config clean_ruleset_interval
 	config_get ipv6_disable config ipv6_disable 0
-	config_get force_forwarding config force_forwarding 0
+	config_get ext_allow_private_ipv4 config ext_allow_private_ipv4 0
 
 	local conf ifname ifname6
 
@@ -144,7 +144,7 @@ upnpd() {
 		upnpd_write_bool igdv1 0 force_igd_desc_v1
 		upnpd_write_bool use_stun 0 ext_perform_stun
 		upnpd_write_bool ipv6_disable $ipv6_disable
-		upnpd_write_bool force_forwarding $force_forwarding
+		upnpd_write_bool ext_allow_private_ipv4 $ext_allow_private_ipv4
 
 		[ "$use_stun" -eq 0 ] || {
 			[ -n "$stun_host" ] && echo "ext_stun_host=$stun_host"
@@ -220,8 +220,10 @@ stop_service() {
 }
 
 start_service() {
-	uci set upnpd.config.presentation_url="http://$(uci -q get network.lan.ipaddr)/"
-	uci commit upnpd
+	if [ -z "$(uci -q get upnpd.config.presentation_url)" ]; then
+		uci set upnpd.config.presentation_url="http://$(uci -q get network.lan.ipaddr)/"
+		uci commit upnpd
+	fi
 	config_load "upnpd"
 	config_foreach upnpd "upnpd"
 }