diff --git a/Resources/config/doctrine/model/Group.orm.yml b/Resources/config/doctrine/model/Group.orm.yml
index 0d7b59e..48f4aa5 100644
--- a/Resources/config/doctrine/model/Group.orm.yml
+++ b/Resources/config/doctrine/model/Group.orm.yml
@@ -1,5 +1,5 @@
 DoS\UserBundle\Model\Group:
-    type: entity
+    type: mappedSuperclass
     table: dos_user_group
 
     id: