diff --git a/common/Alias/Model.php b/common/Alias/Model.php
index 5774de9..bbbac2e 100644
--- a/common/Alias/Model.php
+++ b/common/Alias/Model.php
@@ -6,6 +6,7 @@ use \ORM as ORM;
 use \Model as BaseModel;
 use Aldarien\Common\Definition\Model as ModelInterface;
 use Aldarien\Common\Factory\Model as ModelFactory;
+use Aldarien\Models\Relationship;
 
 abstract class Model extends BaseModel implements ModelInterface {
   const CHILD_KEY = 'child_key';