diff --git a/catalyst/api-bundle/Entity/User.php b/catalyst/api-bundle/Entity/User.php
index bc174c13..778a38cf 100644
--- a/catalyst/api-bundle/Entity/User.php
+++ b/catalyst/api-bundle/Entity/User.php
@@ -41,7 +41,9 @@ class User implements UserInterface
     // roles
     /**
      * @ORM\ManyToMany(targetEntity="Role", inversedBy="users")
-     * @ORM\JoinTable(name="api_user_role")
+     * @ORM\JoinTable(name="api_user_role",
+     *           joinColumns={@JoinColumn(name="user_api_key", referencedColumnName="api_key")},
+     *           inverseJoinColumns={@JoinColumn(name="role_id", referencedColumnName="id")})
      */
     protected $roles;