diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
index 2641f5a293..2939aa568c 100644
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
@@ -219,6 +219,7 @@ return view.extend({
 			o = s.taboption('advanced', form.Flag, 'dnsseccheckunsigned',
 				_('DNSSEC check unsigned'),
 				_('Requires upstream supports DNSSEC; verify unsigned domain responses really come from unsigned domains'));
+			o.default = o.enabled;
 			o.optional = true;
 		}