diff --git a/static/js/folders.js b/static/js/folders.js
index 0e5016a..02bf4ce 100644
--- a/static/js/folders.js
+++ b/static/js/folders.js
@@ -37,9 +37,9 @@ oml.ui.folders = function() {
     }
 
     function getFolderList(list) {
-        var index = users.map(function(user) {
+        var index = users ? users.map(function(user) {
             return user.name;
-        }).indexOf(list.user);
+        }).indexOf(list.user) : null;
         return list.id == '' ? oml.$ui.librariesList
             : Ox.endsWith(list.id, ':') ? oml.$ui.libraryList[index]
             : oml.$ui.folderList[index];