diff --git a/src/core/renderers/webgl/managers/WebGLManager.js b/src/core/renderers/webgl/managers/WebGLManager.js
index a1c9d72..2e072fc 100644
--- a/src/core/renderers/webgl/managers/WebGLManager.js
+++ b/src/core/renderers/webgl/managers/WebGLManager.js
@@ -33,7 +33,7 @@
  */
 WebGLManager.prototype.destroy = function ()
 {
-    this.renderer.off('context', this.onContextChange);
+    this.renderer.off('context', this.onContextChange, this);
 
     this.renderer = null;
 };