diff --git a/index.html b/index.html
index 2b0025d83..d69e8357f 100644
--- a/index.html
+++ b/index.html
@@ -1370,6 +1370,7 @@ <h2 id="objects">Object Functions</h2>
 
 <p id="mapObject">
         <b class="header">mapObject</b><code>_.mapObject(array, iteratee, [context])</code>
+        <span class="alias">Alias: <b>mapValues</b></span>
         <br />
         Like <a href="#map">map</a>, but for objects. Transform the value
         of each property in turn.
diff --git a/underscore.js b/underscore.js
index d467f7924..4db3199ed 100644
--- a/underscore.js
+++ b/underscore.js
@@ -951,7 +951,7 @@
 
   // Returns the results of applying the iteratee to each element of the object
   // In contrast to _.map it returns an object
-  _.mapObject = function(obj, iteratee, context) {
+  _.mapObject = _.mapValues = function(obj, iteratee, context) {
     iteratee = cb(iteratee, context);
     var keys =  _.keys(obj),
           length = keys.length,