diff --git a/Migrations/AbstractMigration.php b/Migrations/AbstractMigration.php
index d4af78a..8c7cabf 100644
--- a/Migrations/AbstractMigration.php
+++ b/Migrations/AbstractMigration.php
@@ -34,7 +34,7 @@ abstract class AbstractMigration extends BaseAbstractMigration implements Contai
     /**
      * @var \eZ\Publish\API\Repository\Repository
      */
-    private $repository;
+    protected $repository;
 
     /**
      * @var \eZ\Publish\API\Repository\UserService