diff --git a/examples/2048/js/game/animframe_polyfill.js b/examples/2048/js/game/animframe_polyfill.js
index c524a994..f19735d9 100644
--- a/examples/2048/js/game/animframe_polyfill.js
+++ b/examples/2048/js/game/animframe_polyfill.js
@@ -9,13 +9,13 @@
 
   if (!window.requestAnimationFrame) {
     window.requestAnimationFrame = function (callback) {
-      var currTime = new Date().getTime();
+      var currentTime = new Date().getTime();
       var timeToCall = Math.max(0, 16 - (currTime - lastTime));
       var id = window.setTimeout(function () {
-        callback(currTime + timeToCall);
+        callback(currentTime + timeToCall);
       },
       timeToCall);
-      lastTime = currTime + timeToCall;
+      lastTime = currentTime + timeToCall;
       return id;
     };
   }