diff --git a/en/cookbook/dql-custom-walkers.rst b/en/cookbook/dql-custom-walkers.rst
index e1934d64a..19ce8bda6 100644
--- a/en/cookbook/dql-custom-walkers.rst
+++ b/en/cookbook/dql-custom-walkers.rst
@@ -139,8 +139,8 @@ implementation is:
             }
     
             $pathExpression = new PathExpression(
-                PathExpression::TYPE_STATE_FIELD | PathExpression::TYPE_SINGLE_VALUED_ASSOCIATION, $parentName, array(
-                $parent['metadata']->getSingleIdentifierFieldName())
+                PathExpression::TYPE_STATE_FIELD | PathExpression::TYPE_SINGLE_VALUED_ASSOCIATION, $parentName,
+                $parent['metadata']->getSingleIdentifierFieldName()
             );
             $pathExpression->type = PathExpression::TYPE_STATE_FIELD;