diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index 122d04a45ec..c379cadaf4c 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -697,7 +697,6 @@ class AccountInvoice(models.Model):
                 if tax.amount_type == "group":
                     for child_tax in tax.children_tax_ids:
                         done_taxes.append(child_tax.id)
-                done_taxes.append(tax.id)
                 res.append({
                     'invoice_tax_line_id': tax_line.id,
                     'tax_line_id': tax_line.tax_id.id,
@@ -709,8 +708,9 @@ class AccountInvoice(models.Model):
                     'account_id': tax_line.account_id.id,
                     'account_analytic_id': tax_line.account_analytic_id.id,
                     'invoice_id': self.id,
-                    'tax_ids': [(6, 0, done_taxes)] if tax_line.tax_id.include_base_amount else []
+                    'tax_ids': [(6, 0, list(done_taxes))] if tax_line.tax_id.include_base_amount else []
                 })
+                done_taxes.append(tax.id)
         return res
 
     def inv_line_characteristic_hashcode(self, invoice_line):