diff --git a/lodash.src.js b/lodash.src.js
index 149b8c854..80ddc321e 100644
--- a/lodash.src.js
+++ b/lodash.src.js
@@ -2846,12 +2846,14 @@
      * @returns {Array} Returns the new sorted array.
      */
     function baseSortByOrder(collection, iteratees, orders) {
-      var callback = getCallback();
+      var callback = getCallback(),
+          index = -1;
+
       iteratees = arrayMap(iteratees, function(iteratee) { return callback(iteratee); });
 
-      var result = baseMap(collection, function(value, index) {
+      var result = baseMap(collection, function(value) {
         var criteria = arrayMap(iteratees, function(iteratee) { return iteratee(value); });
-        return { 'criteria': criteria, 'index': index, 'value': value };
+        return { 'criteria': criteria, 'index': ++index, 'value': value };
       });
 
       return baseSortBy(result, function(object, other) {