diff --git a/Schema.js b/Schema.js
index c9544404..66d1d452 100644
--- a/Schema.js
+++ b/Schema.js
@@ -212,6 +212,9 @@ Schema.prototype.validateObject = function(className, object) {
   var geocount = 0;
   var promise = this.validateClassName(className);
   for (var key in object) {
+    if (object[key] === undefined) {
+      continue;
+    }
     var expected = getType(object[key]);
     if (expected === 'geopoint') {
       geocount++;
diff --git a/spec/ParseUser.spec.js b/spec/ParseUser.spec.js
index 30fc6cc5..f4f43dd1 100644
--- a/spec/ParseUser.spec.js
+++ b/spec/ParseUser.spec.js
@@ -1336,7 +1336,7 @@ describe('Parse.User testing', () => {
         var b = JSON.parse(body);
         expect(b.results.length).toEqual(1);
         var user = b.results[0];
-        expect(Object.keys(user).length).toEqual(5);
+        expect(Object.keys(user).length).toEqual(6);
         done();
       });
     });
diff --git a/transform.js b/transform.js
index ee43b8af..26e296ef 100644
--- a/transform.js
+++ b/transform.js
@@ -335,6 +335,7 @@ function transformAtom(atom, force, options) {
     return atom;
 
   case 'undefined':
+    return atom;
   case 'symbol':
   case 'function':
     throw new Parse.Error(Parse.Error.INVALID_JSON,