diff --git a/packages/mongo-livedata/mongo_driver.js b/packages/mongo-livedata/mongo_driver.js
index 1922570c4e..f7c9ff16a0 100644
--- a/packages/mongo-livedata/mongo_driver.js
+++ b/packages/mongo-livedata/mongo_driver.js
@@ -894,3 +894,4 @@ _.extend(LiveResultsSet.prototype, {
 _.extend(Meteor, {
   _Mongo: _Mongo
 });
+Meteor._Mongo._Timestamp = MongoDB.Timestamp;
\ No newline at end of file