diff --git a/bankayma_account/models/account_move.py b/bankayma_account/models/account_move.py
index f29833dd6..da7279fef 100644
--- a/bankayma_account/models/account_move.py
+++ b/bankayma_account/models/account_move.py
@@ -356,6 +356,7 @@ def _portal_create_vendor_bill(self, post_data, uploaded_files):
                 }
             )
         invoice.invoice_line_ids.write(line_vals)
+        invoice.invoice_line_ids.invalidate_recordset()
         attachments = self.env["ir.attachment"]
         for uploaded_file in uploaded_files.getlist("upload"):
             attachments += self.env["ir.attachment"].create(
diff --git a/bankayma_account/tests/test_bankayma_account_portal.py b/bankayma_account/tests/test_bankayma_account_portal.py
index 72c34b5f9..b6567943b 100644
--- a/bankayma_account/tests/test_bankayma_account_portal.py
+++ b/bankayma_account/tests/test_bankayma_account_portal.py
@@ -6,7 +6,7 @@
 
 from werkzeug.datastructures import MultiDict
 
-from odoo.tests.common import TransactionCase
+from odoo.tests.common import Form, TransactionCase
 
 
 class TestBankaymaAccountPortal(TransactionCase):
@@ -17,7 +17,7 @@ def test_vendor_bill(self):
             [("company_id", "=", self.env.company.id)], limit=1
         )
         fpos.bankayma_tax_id = self.env["account.tax"].search(
-            [("type_tax_use", "=", "purchase")], limit=1
+            [("type_tax_use", "=", "purchase"), ("sequence", ">=", 0)], limit=1
         )
         fpos.bankayma_deduct_tax = True
         invoice = (
@@ -51,6 +51,17 @@ def test_vendor_bill(self):
             ]
         )
         self.assertTrue(attachment)
-        self.assertEqual(len(invoice.invoice_line_ids.tax_ids), 2)
-        self.assertIn(fpos.bankayma_tax_id, invoice.invoice_line_ids.tax_ids)
+        taxes = invoice.invoice_line_ids.tax_ids
+        self.assertEqual(len(taxes), 2)
+        self.assertEqual(fpos.bankayma_tax_id, invoice.invoice_line_ids.tax_ids[-1:])
+        self.assertEqual(invoice.invoice_line_ids.tax_ids[:1].sequence, -1)
         self.assertTrue(invoice.partner_id.bankayma_vendor_max_amount, 424242)
+        with Form(invoice) as invoice_form:
+            invoice_form.invoice_line_ids.product_id = self.env[
+                "product.product"
+            ].search(
+                [
+                    ("id", "!=", invoice.invoice_line_ids.product_id.id),
+                ]
+            )
+        self.assertEqual(taxes, invoice.invoice_line_ids.tax_ids)