diff --git a/spec/MongoTransform.spec.js b/spec/MongoTransform.spec.js
index f0bb6ec4d9..bfe7b914db 100644
--- a/spec/MongoTransform.spec.js
+++ b/spec/MongoTransform.spec.js
@@ -308,4 +308,32 @@ describe('transformUpdate', () => {
     expect(output).toEqual({});
     done();
   });
+
+  it('skips transforming \'File\' fields for class _GlobalConfig', (done) => {
+    var input = {
+      __type: "File",
+      name: "name",
+      url: "url"
+    };
+
+    var output = transform.transformUpdate("_GlobalConfig", input, {
+      fields: {}
+    });
+    expect(output).toEqual({ $set: Object({ __type: 'File', name: 'name', url: 'url' }) });
+    done();
+  });
+
+  it('skips transforming \'GeoPoint\' fields for class _GlobalConfig', (done) => {
+    var input = {
+      __type: "GeoPoint",
+      name: "10",
+      url: "20"
+    };
+
+    var output = transform.transformUpdate("_GlobalConfig", input, {
+      fields: {}
+    });
+    expect(output).toEqual({ $set: Object({ __type: 'GeoPoint', name: '10', url: '20' }) });
+    done();
+  });
 });
diff --git a/src/Adapters/Storage/Mongo/MongoTransform.js b/src/Adapters/Storage/Mongo/MongoTransform.js
index e91abbb563..2ef38f4512 100644
--- a/src/Adapters/Storage/Mongo/MongoTransform.js
+++ b/src/Adapters/Storage/Mongo/MongoTransform.js
@@ -84,7 +84,8 @@ const transformKeyValueForUpdate = (className, restKey, restValue, parseFormatSc
   }
 
   // Handle atomic values
-  var value = transformTopLevelAtom(restValue);
+  var skipTransform = className === "_GlobalConfig" && restValue && (restValue.__type === 'File' || restValue.__type === 'GeoPoint');
+  var value = skipTransform ? restValue : transformTopLevelAtom(restValue);
   if (value !== CannotTransform) {
     if (timeField && (typeof value === 'string')) {
       value = new Date(value);
@@ -380,6 +381,7 @@ const transformUpdate = (className, restUpdate, parseFormatSchema) => {
     if (restUpdate[restKey] && restUpdate[restKey].__type === 'Relation') {
       continue;
     }
+
     var out = transformKeyValueForUpdate(className, restKey, restUpdate[restKey], parseFormatSchema);
 
     // If the output value is an object with any $ keys, it's an