From c584a754acb1a424bd72d73ea8e113135c45dd3f Mon Sep 17 00:00:00 2001
From: Uli Fahrer <Tooa@users.noreply.github.com>
Date: Fri, 16 Dec 2016 23:45:03 +0100
Subject: [PATCH] Fix graph2D render issue (#2470)

---
 lib/timeline/Core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/timeline/Core.js b/lib/timeline/Core.js
index 9441b77c..d3376e1e 100644
--- a/lib/timeline/Core.js
+++ b/lib/timeline/Core.js
@@ -124,7 +124,7 @@ Core.prototype._create = function (container) {
   this._redraw = util.throttle(this._origRedraw);
   
   this.on('_change', function (properties) {
-    if (me.itemSet.initialItemSetDrawn && properties && properties.queue == true) {
+    if (me.itemSet && me.itemSet.initialItemSetDrawn && properties && properties.queue == true) {
       me._redraw()
     } else {
       me._origRedraw();