diff --git a/Resources/config/orm.xml b/Resources/config/orm.xml
index d16c30baf..145a4bff6 100644
--- a/Resources/config/orm.xml
+++ b/Resources/config/orm.xml
@@ -35,6 +35,7 @@
         <parameter key="doctrine.orm.metadata.yml.class">Doctrine\ORM\Mapping\Driver\SimplifiedYamlDriver</parameter>
         <parameter key="doctrine.orm.metadata.php.class">Doctrine\ORM\Mapping\Driver\PHPDriver</parameter>
         <parameter key="doctrine.orm.metadata.staticphp.class">Doctrine\ORM\Mapping\Driver\StaticPHPDriver</parameter>
+        <parameter key="doctrine.orm.metadata.attribute.class">Doctrine\ORM\Mapping\Driver\AttributeDriver</parameter>
 
         <!-- cache warmer -->
         <parameter key="doctrine.orm.proxy_cache_warmer.class">Symfony\Bridge\Doctrine\CacheWarmer\ProxyCacheWarmer</parameter>