diff --git a/examples/timeline/03_performance.html b/examples/timeline/03_performance.html
index 678aeeb9..de7588ab 100644
--- a/examples/timeline/03_performance.html
+++ b/examples/timeline/03_performance.html
@@ -52,8 +52,8 @@
   var container = document.getElementById('visualization');
   var options = {
     editable: true,
-    start: now.clone().add('days', -3),
-    end: now.clone().add('days', 11),
+    start: now.clone().add(-3, 'days'),
+    end: now.clone().add(11, 'days'),
     zoomMin: 1000 * 60 * 60 * 24,          // a day
     zoomMax: 1000 * 60 * 60 * 24 * 30 * 3  // three months
     //maxHeight: 300,
diff --git a/examples/timeline/05_groups.html b/examples/timeline/05_groups.html
index 982cb7fd..7182670f 100644
--- a/examples/timeline/05_groups.html
+++ b/examples/timeline/05_groups.html
@@ -45,7 +45,7 @@
   // create a dataset with items
   var items = new vis.DataSet();
   for (var i = 0; i < itemCount; i++) {
-    var start = now.clone().add('hours', Math.random() * 200);
+    var start = now.clone().add(Math.random() * 200, 'hours');
     var group = Math.floor(Math.random() * groupCount);
     items.add({
       id: i,
diff --git a/lib/timeline/Range.js b/lib/timeline/Range.js
index f4dcf4ce..9b87d90e 100644
--- a/lib/timeline/Range.js
+++ b/lib/timeline/Range.js
@@ -13,8 +13,8 @@ var Component = require('./component/Component');
  */
 function Range(body, options) {
   var now = moment().hours(0).minutes(0).seconds(0).milliseconds(0);
-  this.start = now.clone().add('days', -3).valueOf(); // Number
-  this.end = now.clone().add('days', 4).valueOf();   // Number
+  this.start = now.clone().add(-3, 'days').valueOf(); // Number
+  this.end = now.clone().add(4, 'days').valueOf();   // Number
 
   this.body = body;
 
diff --git a/test/timeline.html b/test/timeline.html
index ac727aef..3f092ee1 100644
--- a/test/timeline.html
+++ b/test/timeline.html
@@ -5,9 +5,9 @@
   <script src="../node_modules/moment/moment.js"></script>
   <script src="../node_modules/moment/locale/nl.js"></script>
   <script>
-    moment.lang('nl');
+    moment.locale('nl');
   </script>
-  <script src="../vis-custom.js"></script>
+  <script src="../dist/vis.js"></script>
   <link href="../dist/vis.css" rel="stylesheet" type="text/css" />
 
   <style type="text/css">
@@ -69,26 +69,26 @@
     fieldId: '_id'
   });
   items.add([
-    {_id: 0, content: 'item 0', start: now.clone().add('days', 3).toDate(), title: 'hello title!'},
-    {_id: '1', content: 'item 1<br>start', start: now.clone().add('days', 4).toDate()},
-    {_id: 2, content: 'item 2', start: now.clone().add('days', -2).toDate() },
-    {_id: 3, content: 'item 3', start: now.clone().add('days', 2).toDate()},
+    {_id: 0, content: 'item 0', start: now.clone().add(3, 'days').toDate(), title: 'hello title!'},
+    {_id: '1', content: 'item 1<br>start', start: now.clone().add(4, 'days').toDate()},
+    {_id: 2, content: 'item 2', start: now.clone().add(-2, 'days').toDate() },
+    {_id: 3, content: 'item 3', start: now.clone().add(2, 'days').toDate()},
     {
       _id: 4, content: 'item 4 ',
-      start: now.clone().add('days', 0).toDate(),
-      end: now.clone().add('days', 7).toDate(),
+      start: now.clone().add(0, 'days').toDate(),
+      end: now.clone().add(7, 'days').toDate(),
       title: 'hello title!'
     },
-    {_id: 5, content: 'item 5', start: now.clone().add('days', 9).toDate(), type:'point', title: 'hello title!'},
-    {_id: 6, content: 'item 6', start: now.clone().add('days', 11).toDate()}
+    {_id: 5, content: 'item 5', start: now.clone().add(9, 'days').toDate(), type:'point', title: 'hello title!'},
+    {_id: 6, content: 'item 6', start: now.clone().add(11, 'days').toDate()}
   ]);
 
   var container = document.getElementById('visualization');
   var options = {
     editable: true,
     //orientation: 'top',
-    start: now.clone().add('days', -7),
-    end: now.clone().add('days', 7),
+    start: now.clone().add(-7, 'days'),
+    end: now.clone().add(7, 'days'),
     //maxHeight: 200,
     //height: 200,
     showCurrentTime: true,