From f9a5255e32e4531c7e096cc94b048b0b3b63314b Mon Sep 17 00:00:00 2001
From: Taylor Stine <taylorstine@gmail.com>
Date: Mon, 1 Feb 2016 15:41:40 -0500
Subject: [PATCH] Fixed bug with null file field

---
 transform.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/transform.js b/transform.js
index 7e19ba7035..1ff2c58113 100644
--- a/transform.js
+++ b/transform.js
@@ -691,7 +691,7 @@ function untransformObject(schema, className, mongoObject) {
           throw ('bad key in untransform: ' + key);
         } else {
           var expected = schema.getExpectedType(className, key);
-          if (expected == 'file') {
+          if (expected == 'file' && mongoObject[key]) {
             restObject[key] = {
               __type: 'File',
               name: mongoObject[key]