diff --git a/src/Bridge/Doctrine/Common/Filter/OrderFilterTrait.php b/src/Bridge/Doctrine/Common/Filter/OrderFilterTrait.php
index 658ea522945..53ca563057e 100644
--- a/src/Bridge/Doctrine/Common/Filter/OrderFilterTrait.php
+++ b/src/Bridge/Doctrine/Common/Filter/OrderFilterTrait.php
@@ -29,7 +29,7 @@ trait OrderFilterTrait
     /**
      * @var string Keyword used to retrieve the value
      */
-    private $orderParameterName;
+    protected $orderParameterName;
 
     /**
      * {@inheritdoc}