diff --git a/product/ERP5/tests/testAccounting.py b/product/ERP5/tests/testAccounting.py
index d57a878ea7e5ebb16ab75ad1f5506ac2e7ba61ce..16473723720f05d6bf0de3e41420a31018a9f42f 100644
--- a/product/ERP5/tests/testAccounting.py
+++ b/product/ERP5/tests/testAccounting.py
@@ -810,7 +810,7 @@ class TestTransactionValidation(AccountingTestCase):
     # asset price but the resource is the same as the accounting resource
     accounting_transaction = self._makeOne(
                portal_type='Purchase Invoice Transaction',
-               start_date=DateTime('2007/01/02'),
+               stop_date=DateTime('2007/01/02'),
                source_section_value=self.organisation_module.client_1,
                lines=(dict(destination_value=self.account_module.payable,
                            destination_debit=500,