diff --git a/lib/timeline/component/ItemSet.js b/lib/timeline/component/ItemSet.js
index 3e96e31735..f22b074bfe 100644
--- a/lib/timeline/component/ItemSet.js
+++ b/lib/timeline/component/ItemSet.js
@@ -296,7 +296,7 @@ class ItemSet extends Component {
     this.hammer.get('press').set({time:10000});
 
     // add item on doubletap
-    //this.hammer.on('doubletap', this._onAddItem.bind(this));
+    this.hammer.on('doubletap', this._onAddItem.bind(this));
 
     if (this.options.rtl) {
       this.groupHammer = new Hammer(this.body.dom.rightContainer);