diff --git a/addons/account/models/account_payment_term.py b/addons/account/models/account_payment_term.py
index 1ccab7ce077..c6f25724890 100644
--- a/addons/account/models/account_payment_term.py
+++ b/addons/account/models/account_payment_term.py
@@ -60,6 +60,7 @@ class AccountPaymentTerm(models.Model):
             else:
                 discount_amount_currency = self.currency_id.round(total_amount - (total_amount * (1 - (percentage))))
             return total_amount - discount_amount_currency
+        return total_amount
 
     @api.depends('company_id')
     def _compute_discount_computation(self):