luci-mod-network: routes.js: enforce interface setting

Fixes: #6521
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js
index da1330aec8..2e987dfb32 100644
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js
@@ -41,6 +41,7 @@ return view.extend({
 			o = s.taboption('general', widgets.NetworkSelect, 'interface', _('Interface'), _('Specifies the logical interface name of the parent (or master) interface this route belongs to'));
 			o.loopback = true;
 			o.nocreate = true;
+			o.rmempty = false;
 
 			o = s.taboption('general', form.ListValue, 'type', _('Route type'), _('Specifies the route type to be created'));
 			o.modalonly = true;