diff --git a/src/lang/function.js b/src/lang/function.js
index 05464ca..6a09f08 100644
--- a/src/lang/function.js
+++ b/src/lang/function.js
@@ -236,7 +236,7 @@ Object.extend(Function.prototype, (function() {
   **/
   function delay(timeout) {
     var __method = this, args = slice.call(arguments, 1);
-    timeout = timeout * 1000
+    timeout = timeout * 1000;
     return window.setTimeout(function() {
       return __method.apply(__method, args);
     }, timeout);