diff --git a/addons/sale/models/payment_transaction.py b/addons/sale/models/payment_transaction.py
index 4ad6a75cb54..8ff6a297d15 100644
--- a/addons/sale/models/payment_transaction.py
+++ b/addons/sale/models/payment_transaction.py
@@ -116,13 +116,16 @@ class PaymentTransaction(models.Model):
         confirmed_orders = self._check_amount_and_confirm_order()
         confirmed_orders._send_order_confirmation_mail()
 
-        # invoice the sale orders if needed and send it
-        if str2bool(self.env['ir.config_parameter'].sudo().get_param('sale.automatic_invoice')):
+        auto_invoice = str2bool(
+            self.env['ir.config_parameter'].sudo().get_param('sale.automatic_invoice'))
+        if auto_invoice:
             # Invoice the sale orders in self instead of in confirmed_orders to create the invoice
             # even if only a partial payment was made.
             self._invoice_sale_orders()
+        super()._reconcile_after_done()
+        if auto_invoice:
+            # Must be called after the super() call to make sure the invoice are correctly posted.
             self._send_invoice()
-        return super()._reconcile_after_done()
 
     def _send_invoice(self):
         template_id = int(self.env['ir.config_parameter'].sudo().get_param(
diff --git a/addons/sale/tests/test_payment_flow.py b/addons/sale/tests/test_payment_flow.py
index c36a1043cac..bfcc4ea106d 100644
--- a/addons/sale/tests/test_payment_flow.py
+++ b/addons/sale/tests/test_payment_flow.py
@@ -230,6 +230,7 @@ class TestSalePayment(AccountPaymentCommon, SaleCommon, PaymentHttpCommon):
         self.assertEqual(self.sale_order.state, 'done')
         self.assertTrue(tx.invoice_ids)
         self.assertTrue(self.sale_order.invoice_ids)
+        self.assertTrue(tx.invoice_ids.is_move_sent)
 
     def test_so_partial_payment_no_invoice(self):
         # Set automatic invoice