diff --git a/src/core/renderers/webgl/managers/WebGLManager.js b/src/core/renderers/webgl/managers/WebGLManager.js
index 74cf130..69b86e3 100644
--- a/src/core/renderers/webgl/managers/WebGLManager.js
+++ b/src/core/renderers/webgl/managers/WebGLManager.js
@@ -13,7 +13,7 @@
     this.renderer = renderer;
 
     var self = this;
-    this.renderer.on('context', function(){
+    this.renderer.on('context', this._onContextChangeFn = function(){
 
     	self.onContextChange();
 
@@ -30,5 +30,7 @@
 
 WebGLManager.prototype.destroy = function ()
 {
+    this.renderer.off('context', _onContextChangeFn);
+
     this.renderer = null;
 };