From a6a102152136cc027e6454d07dc57eefbf3027b4 Mon Sep 17 00:00:00 2001
From: Catstyle <Catstyle.Lee@gmail.com>
Date: Tue, 30 Jun 2015 11:45:17 +0800
Subject: [PATCH] use obj._data instead of self._fields_ordered since
 DynamicDocument missing some attributes

---
 mongoengine/document.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mongoengine/document.py b/mongoengine/document.py
index 332c9a38..9d2d9c5f 100644
--- a/mongoengine/document.py
+++ b/mongoengine/document.py
@@ -591,7 +591,7 @@ class Document(BaseDocument):
         else:
             raise self.DoesNotExist("Document does not exist")
 
-        for field in self._fields_ordered:
+        for field in obj._data:
             if not fields or field in fields:
                 try:
                     setattr(self, field, self._reload(field, obj[field]))