diff --git a/js/navigation.js b/js/navigation.js
index a886d0cf1c..8e9b5aca91 100644
--- a/js/navigation.js
+++ b/js/navigation.js
@@ -35,10 +35,10 @@ function toggle(id, only_open)
             img.alt = '-';
         }
         // if only one sub-list, open as well
-        var submenus = $(el).find("> li > ul:hidden");
-        var sublinks = $(el).find("> li > a.item, > li > a.tableicon");
-        if (submenus.length == 1 && sublinks.length == 0) {
-            toggle(submenus.prop("id").split("subel").join(""), true);
+        var $submenus = $(el).find("> li > ul");
+        var $sublinks = $(el).find("> li > a.item, > li > a.tableicon");
+        if ($submenus.length == 1 && $sublinks.length == 0) {
+            toggle($submenus.prop("id").split("subel").join(""), true);
         }
     } else {
         el.style.display = 'none';