diff --git a/tests/Monolog/Handler/MongoDBHandlerTest.php b/tests/Monolog/Handler/MongoDBHandlerTest.php
index ce3433e1..7f06d666 100644
--- a/tests/Monolog/Handler/MongoDBHandlerTest.php
+++ b/tests/Monolog/Handler/MongoDBHandlerTest.php
@@ -26,7 +26,7 @@ class MongoDBHandlerTest extends TestCase
 
     public function testHandle()
     {
-        $mongo = $this->getMock('Mongo', array('selectCollection'));
+        $mongo = $this->getMock('Mongo', array('selectCollection'), array(), '', false);
         $collection = $this->getMock('stdClass', array('save'));
 
         $mongo->expects($this->once())