diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index 34d635dff16..aa39593183f 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -1319,7 +1319,7 @@ class SaleOrder(models.Model):
         self.ensure_one()
         return {
             'description': self.name,
-            'amount': self.amount_total - sum(self.invoice_ids.filtered(lambda x: x.state != 'cancel').mapped('amount_total')),
+            'amount': self.amount_total - sum(self.invoice_ids.filtered(lambda x: x.state != 'cancel' and x.invoice_line_ids.sale_line_ids.order_id == self).mapped('amount_total')),
             'currency_id': self.currency_id.id,
             'partner_id': self.partner_id.id,
             'amount_max': self.amount_total,