diff --git a/lodash.js b/lodash.js
index c7b61ae07..a73778a45 100644
--- a/lodash.js
+++ b/lodash.js
@@ -3672,13 +3672,13 @@
         while (++index < length) {
           array[index] = args[start + index];
         }
+        index = -1;
         switch (start) {
           case 0: return func.call(this, array);
           case 1: return func.call(this, args[0], array);
           case 2: return func.call(this, args[0], args[1], array);
         }
         var otherArgs = Array(start + 1);
-        index = -1;
         while (++index < start) {
           otherArgs[index] = args[index];
         }