diff --git a/static/portal-agent/js/publik.js b/static/portal-agent/js/publik.js
index 64f8eeac..4c9901b7 100644
--- a/static/portal-agent/js/publik.js
+++ b/static/portal-agent/js/publik.js
@@ -51,6 +51,9 @@ $(function() {
         } else if (element.slug !== undefined) {
           $(li).find('a').addClass('icon-' + element.slug);
         }
+        if (element.sub === true) {
+          $(li).addClass('sub');
+        }
         if (window.location.href.indexOf(element.url) == 0) {
           $(li).addClass('active');
         }