diff --git a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
index b0d3e38dd..1376c44f8 100755
--- a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
+++ b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
@@ -20,7 +20,7 @@ omr_intf_set() {
 
 	uci -q set openmptcprouter.$1=interface
 	config_get disable_ipv6 settings disable_ipv6 "0"
-	if [ "$disable_ipv6" = "1" ]; then
+	if [ "$disable_ipv6" = "1" ] || [ "$1" != "omr6in4" ]; then
 		uci -q set network.$1.ipv6=0
 	else
 		uci -q set network.$1.ipv6=1