diff --git a/account_usability/account.py b/account_usability/account.py
index 7f12dfa..915bc7f 100644
--- a/account_usability/account.py
+++ b/account_usability/account.py
@@ -114,7 +114,7 @@ class AccountInvoiceLine(models.Model):
         related='invoice_id.date_invoice', store=True, readonly=True)
     commercial_partner_id = fields.Many2one(
         related='invoice_id.partner_id.commercial_partner_id',
-        store=True, readonly=True, related_sudo=True)
+        store=True, readonly=True, compute_sudo=True)
     state = fields.Selection(
         related='invoice_id.state', store=True, readonly=True,
         string='Invoice State')