diff --git a/sign_oca/models/sign_oca_request.py b/sign_oca/models/sign_oca_request.py
index b0fd30f1..b0d50c75 100644
--- a/sign_oca/models/sign_oca_request.py
+++ b/sign_oca/models/sign_oca_request.py
@@ -393,6 +393,7 @@ def _compute_is_allow_signature(self):
                 not item.signed_on and item.partner_id == user.partner_id
             )
 
+    @api.depends("access_token")
     def _compute_access_url(self):
         result = super()._compute_access_url()
         for record in self: