diff --git a/DependencyInjection/Compiler/DoctrineOrmMappingsPass.php b/DependencyInjection/Compiler/DoctrineOrmMappingsPass.php
index b9969ecb7..99b5d6141 100644
--- a/DependencyInjection/Compiler/DoctrineOrmMappingsPass.php
+++ b/DependencyInjection/Compiler/DoctrineOrmMappingsPass.php
@@ -59,8 +59,7 @@ public function __construct($driver, array $namespaces, array $managerParameters
      */
     public static function createXmlMappingDriver(array $namespaces, array $managerParameters = [], $enabledParameter = false, array $aliasMap = [])
     {
-        $arguments = [$namespaces, '.orm.xml'];
-        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', $arguments);
+        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', [$namespaces, '.orm.xml']);
         $driver    = new Definition('Doctrine\ORM\Mapping\Driver\XmlDriver', [$locator]);
 
         return new DoctrineOrmMappingsPass($driver, $namespaces, $managerParameters, $enabledParameter, $aliasMap);
@@ -81,8 +80,7 @@ public static function createXmlMappingDriver(array $namespaces, array $managerP
      */
     public static function createYamlMappingDriver(array $namespaces, array $managerParameters = [], $enabledParameter = false, array $aliasMap = [])
     {
-        $arguments = [$namespaces, '.orm.yml'];
-        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', $arguments);
+        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', [$namespaces, '.orm.yml']);
         $driver    = new Definition('Doctrine\ORM\Mapping\Driver\YamlDriver', [$locator]);
 
         return new DoctrineOrmMappingsPass($driver, $namespaces, $managerParameters, $enabledParameter, $aliasMap);
@@ -103,8 +101,7 @@ public static function createYamlMappingDriver(array $namespaces, array $manager
      */
     public static function createPhpMappingDriver(array $namespaces, array $managerParameters = [], $enabledParameter = false, array $aliasMap = [])
     {
-        $arguments = [$namespaces, '.php'];
-        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', $arguments);
+        $locator   = new Definition('Doctrine\Common\Persistence\Mapping\Driver\SymfonyFileLocator', [$namespaces, '.php']);
         $driver    = new Definition('Doctrine\Common\Persistence\Mapping\Driver\PHPDriver', [$locator]);
 
         return new DoctrineOrmMappingsPass($driver, $namespaces, $managerParameters, $enabledParameter, $aliasMap);