diff --git a/packages/mongo/mongo_driver.js b/packages/mongo/mongo_driver.js
index 715164a9de..2dcd4d7d95 100644
--- a/packages/mongo/mongo_driver.js
+++ b/packages/mongo/mongo_driver.js
@@ -190,9 +190,10 @@ MongoConnection = function (url, options) {
 
 
   var connectFuture = new Future;
-  MongoDB.connect(
+  new MongoDB.MongoClient(
     url,
-    mongoOptions,
+    mongoOptions
+  ).connect(
     Meteor.bindEnvironment(
       function (err, client) {
         if (err) {
diff --git a/packages/mongo/mongo_livedata_tests.js b/packages/mongo/mongo_livedata_tests.js
index 8f77d1c822..a19edd3a72 100644
--- a/packages/mongo/mongo_livedata_tests.js
+++ b/packages/mongo/mongo_livedata_tests.js
@@ -3318,7 +3318,7 @@ Meteor.isServer && Tinytest.add("mongo-livedata - npm modules", function (test)
   var c = new Mongo.Collection(Random.id());
   var rawCollection = c.rawCollection();
   test.isTrue(rawCollection);
-  test.isTrue(rawCollection.findAndModify);
+  test.isTrue(rawCollection.findOneAndUpdate);
   var rawDb = c.rawDatabase();
   test.isTrue(rawDb);
   test.isTrue(rawDb.admin);