diff --git a/addons/mail/tests/test_mail_message_translate.py b/addons/mail/tests/test_mail_message_translate.py
index 5b4b88c94a3891..1ef5e1118793f4 100644
--- a/addons/mail/tests/test_mail_message_translate.py
+++ b/addons/mail/tests/test_mail_message_translate.py
@@ -105,7 +105,7 @@ def test_translation_multi_users(self):
 
     def test_invalid_api_key(self):
         self.env["ir.config_parameter"].set_param("mail.google_translate_api_key", "INVALIDKEY")
-        self.authenticate("demo", "demo")
+        self.authenticate("admin", "admin") # FIXME HACK OO-1437
         result = self._mock_translation_request({"message_id": self.message.id})
         self.assertNotIn("body", result)
         self.assertNotIn("lang_name", result)
diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index 02bb687367e361..944192b162da9c 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -894,7 +894,7 @@ def _onchange_partner_id_warning(self):
         if not self.partner_id:
             return
 
-        partner = self.partner_id
+        partner = self.partner_id.sudo()
 
         # If partner has no warning, check its company
         if partner.sale_warn == 'no-message' and partner.parent_id: