diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index fcff9a6ebec..1bb091cd849 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -1408,7 +1408,7 @@ class AccountInvoice(models.Model):
         res = {}
         for line in self.tax_line_ids:
             res.setdefault(line.tax_id.tax_group_id, {'base': 0.0, 'amount': 0.0})
-            res[line.tax_id.tax_group_id]['amount'] += line.amount
+            res[line.tax_id.tax_group_id]['amount'] += line.amount_total
             res[line.tax_id.tax_group_id]['base'] += line.base
         res = sorted(res.items(), key=lambda l: l[0].sequence)
         res = [(