diff --git a/lib/Doctrine/ORM/QueryBuilder.php b/lib/Doctrine/ORM/QueryBuilder.php
index ec908bb45..a530d3bb0 100644
--- a/lib/Doctrine/ORM/QueryBuilder.php
+++ b/lib/Doctrine/ORM/QueryBuilder.php
@@ -95,7 +95,7 @@ class QueryBuilder
      *
      * @var \Doctrine\Common\Collections\ArrayCollection
      */
-    private $parameters = array();
+    private $parameters;
 
     /**
      * The index of the first result to retrieve.