diff --git a/lib/Alchemy/Phrasea/Model/Manipulator/TokenManipulator.php b/lib/Alchemy/Phrasea/Model/Manipulator/TokenManipulator.php
index 72a6a18700..6ef95ea7b9 100644
--- a/lib/Alchemy/Phrasea/Model/Manipulator/TokenManipulator.php
+++ b/lib/Alchemy/Phrasea/Model/Manipulator/TokenManipulator.php
@@ -62,7 +62,7 @@ class TokenManipulator implements ManipulatorInterface
      *
      * @return Token
      */
-    public function create(User $user = null, $type, DateTime $expiration = null, $data = null)
+    public function create(User $user, $type, $expiration = null, $data = null)
     {
         $this->removeExpiredTokens();