diff --git a/src/core/core.controller.js b/src/core/core.controller.js
index df7156172..ad841ca6e 100644
--- a/src/core/core.controller.js
+++ b/src/core/core.controller.js
@@ -449,7 +449,7 @@ helpers.extend(Chart.prototype, /** @lends Chart */ {
 	},
 
 	/**
-	* Resets the chart back to it's state before the initial animation
+	* Resets the chart back to its state before the initial animation
 	*/
 	reset: function() {
 		this.resetElements();
@@ -460,6 +460,8 @@ helpers.extend(Chart.prototype, /** @lends Chart */ {
 		var me = this;
 		var i, ilen;
 
+		config = config || {};
+
 		updateConfig(me);
 
 		// plugins options references might have change, let's invalidate the cache