1 files changed, 3 insertions, 0 deletions
diff --git a/lib/internal/iterator.js b/lib/internal/iterator.js
index d167ff9..02526e0 100644
--- a/lib/internal/iterator.js
+++ b/lib/internal/iterator.js
@@ -26,6 +26,9 @@ function createObjectIterator(obj) {
     var len = okeys.length;
     return function next() {
         var key = okeys[++i];
+        if (key === '__proto__') {
+            return next();
+        }
         return i < len ? {value: obj[key], key} : null;
     };
 }