diff --git a/wizard/scop_address_wizard.py b/wizard/scop_address_wizard.py
index 8fa6b753f4707ada43395caee710c47c46f8868d..580b8884dff857e21a523bff890e32e64cb0354f 100644
--- a/wizard/scop_address_wizard.py
+++ b/wizard/scop_address_wizard.py
@@ -256,4 +256,4 @@ class ScopPeriodWizard(models.TransientModel):
                 'country_id': period.country_id.id,
                 'ur_id': period.ur_id.id,
             })
-            partner.write(partner_values)
+            partner.sudo().write(partner_values)