diff --git a/luciexpress/htdocs/js/navigation.js b/luciexpress/htdocs/js/navigation.js
index 84dabcef0..5772a99e7 100644
--- a/luciexpress/htdocs/js/navigation.js
+++ b/luciexpress/htdocs/js/navigation.js
@@ -55,7 +55,7 @@ angular.module("luci")
 			Object.assign(o.children, children); 
 			item = o; 
 		}
-		obj.children_list = Object.keys(obj.children).map(key => obj.children[key]);
+		obj.children_list = Object.keys(obj.children).map(function(key) { obj.children[key]; });
 		obj.children_list.sort(function(a, b){
 			return a.index - b.index; 
 		}); 
diff --git a/luciexpress/htdocs/widgets/luci.navbar.html b/luciexpress/htdocs/widgets/luci.navbar.html
index 853021523..618862484 100644
--- a/luciexpress/htdocs/widgets/luci.navbar.html
+++ b/luciexpress/htdocs/widgets/luci.navbar.html
@@ -14,7 +14,7 @@
 		</div>
 		<div id="navbar" class="navbar-collapse collapse">
 			<ul class="nav navbar-nav" auto-active>
-				<li class="dropdown" ng-repeat="item in tree.children_list">
+				<li class="dropdown" ng-repeat="item in tree.children_list track by $index">
 					<a href="#!{{item.path}}" role="button" >{{item.text | translate}} </a>
 					<!--<a href="#!{{item.path}}" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">{{item.text | translate}}  <span class="caret"></a>
 					<ul class="dropdown-menu" role="menu">