diff --git a/src/reduce.js b/src/reduce.js
index 76f31eb07..4220b58c1 100644
--- a/src/reduce.js
+++ b/src/reduce.js
@@ -33,7 +33,7 @@ util.inherits(ReductionPromiseArray, PromiseArray);
 
 ReductionPromiseArray.prototype._gotAccum = function(accum) {
     if (this._eachValues !== undefined && 
-        this._eachValues !== undefined && 
+        this._eachValues !== null && 
         accum !== INTERNAL) {
         this._eachValues.push(accum);
     }