diff --git a/luci-app-firewall/htdocs/luci-static/resources/view/firewall/forwards.js b/luci-app-firewall/htdocs/luci-static/resources/view/firewall/forwards.js
index c1dcdc5660..5fc3245f5b 100644
--- a/luci-app-firewall/htdocs/luci-static/resources/view/firewall/forwards.js
+++ b/luci-app-firewall/htdocs/luci-static/resources/view/firewall/forwards.js
@@ -344,9 +344,10 @@ return view.extend({
 		fwtool.addMarkOption(s, false);
 		fwtool.addLimitOption(s);
 		fwtool.addLimitBurstOption(s);
-		
+
 		o = s.taboption('advanced', form.Flag, 'v2ray', _('Use V2Ray/XRay'),
 			_('Forward a port (not a range) from server using V2Ray/XRay proxy (if enabled) instead of VPN'));
+		o.modalonly = true;
 
 		if (!L.hasSystemFeature('firewall4')) {
 			o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),