diff --git a/js/utils/dom.js b/js/utils/dom.js
index 63fe9c05ea5..4416ff70aba 100644
--- a/js/utils/dom.js
+++ b/js/utils/dom.js
@@ -47,10 +47,11 @@
      * happens.
      */
     requestAnimationFrame: function(cb) {
-      window._rAF(cb);
+      return window._rAF(cb);
     },
 
-    cancelAnimationFrame: function(cb) {
+    cancelAnimationFrame: function(requestId) {
+      cancelAnimationFrame(requestId);
     },
 
     /**