1 files changed, 1 insertions, 1 deletions
diff --git a/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js b/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js
index b319a4b849..f9d84bfb67 100644
--- a/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js
+++ b/applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js
@@ -224,7 +224,7 @@ return view.extend({
 		o.multiple = true;
 
 		o = s.taboption('advanced', form.DynamicList, 'subnet', _('Covered subnets'), _('Use this option to classify zone traffic by source or destination subnet instead of networks or devices.'));
-		o.datatype = 'neg(cidr)';
+		o.datatype = 'neg(cidr("true"))';
 		o.modalonly = true;
 		o.multiple = true;