From 771a788f44450d2e1968b063c2c319de60599d39 Mon Sep 17 00:00:00 2001
From: fscz <fabian.schuetz@yandex.com>
Date: Sun, 22 May 2016 11:53:18 +0200
Subject: [PATCH] fix bug

---
 lib/core.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/core.js b/lib/core.js
index 3da694b..3c06eac 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -55,13 +55,16 @@ module.exports = {
       } else {
         // assign all of the properites from the next datasets to the current chart
         nextProps.data.datasets.forEach(function(set, setIndex) {
-          var chartDataset = chart.data.datasets[setIndex];
+          
+          var chartDataset = {};
 
           for (var property in set) {
             if (set.hasOwnProperty(property)) {
               chartDataset[property] = set[property];
             }
           }
+          
+          chart.data.datasets[setIndex] = chartDataset;
         });
 
         chart.data.labels = nextProps.data.labels;