diff --git a/addons/mass_mailing_sale/models/mailing_mailing.py b/addons/mass_mailing_sale/models/mailing_mailing.py
index f4a5ee71fac..6d8137d96f9 100644
--- a/addons/mass_mailing_sale/models/mailing_mailing.py
+++ b/addons/mass_mailing_sale/models/mailing_mailing.py
@@ -23,8 +23,8 @@ class MassMailing(models.Model):
         for mass_mailing in self:
             if self.user_has_groups('sales_team.group_sale_salesman') and self.user_has_groups('account.group_account_invoice'):
                 domain = mass_mailing._get_sale_utm_domain() + [('state', 'not in', ['draft', 'cancel'])]
-                moves = self.env['account.move'].search_read(domain, ['amount_untaxed'])
-                mass_mailing.sale_invoiced_amount = sum(i['amount_untaxed'] for i in moves)
+                moves = self.env['account.move'].search_read(domain, ['amount_untaxed_signed'])
+                mass_mailing.sale_invoiced_amount = sum(i['amount_untaxed_signed'] for i in moves)
             else:
                 mass_mailing.sale_invoiced_amount = 0