diff --git a/addons/account/models/account_tax.py b/addons/account/models/account_tax.py
index 7439f3aee04c2..e8e51c9dddf3c 100644
--- a/addons/account/models/account_tax.py
+++ b/addons/account/models/account_tax.py
@@ -862,6 +862,9 @@ def _compute_taxes_for_single_line(self, base_line, handle_price_include=True, i
 
             tax_values_list = []
             for tax_res in taxes_res['taxes']:
+                tax_amount = tax_res['amount'] / rate
+                if self.company_id.tax_calculation_rounding_method == 'round_per_line':
+                    tax_amount = currency.round(tax_amount)
                 tax_rep = self.env['account.tax.repartition.line'].browse(tax_res['tax_repartition_line_id'])
                 tax_values_list.append({
                     **tax_res,
@@ -869,7 +872,7 @@ def _compute_taxes_for_single_line(self, base_line, handle_price_include=True, i
                     'base_amount_currency': tax_res['base'],
                     'base_amount': currency.round(tax_res['base'] / rate),
                     'tax_amount_currency': tax_res['amount'],
-                    'tax_amount': currency.round(tax_res['amount'] / rate),
+                    'tax_amount': tax_amount,
                 })
 
         else: