--- a/feeds/luci/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js
+++ b/feeds/luci/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js
@@ -131,6 +131,10 @@ return L.view.extend({
 		o = s.taboption('general', form.Flag, 'masq', _('Masquerading'));
 		o.editable = true;
 
+		o = s.taboption('general', form.Flag, 'fullcone', _('Full Cone'));
+		o.editable = true;
+		o.depends('masq', '1');
+
 		o = s.taboption('general', form.Flag, 'mtu_fix', _('MSS clamping'));
 		o.modalonly = true;