1 files changed, 6 insertions, 2 deletions
diff --git a/lib/internal/reject.js b/lib/internal/reject.js
index 8b1bf0d..708e810 100644
--- a/lib/internal/reject.js
+++ b/lib/internal/reject.js
@@ -4,8 +4,12 @@ import filter from './filter';
 
 export default function reject(eachfn, arr, iterator, callback) {
     filter(eachfn, arr, function(value, cb) {
-        iterator(value, function(v) {
-            cb(!v);
+        iterator(value, function(err, v) {
+            if (err) {
+                cb(err);
+            } else {
+                cb(null, !v);
+            }
         });
     }, callback);
 }