diff --git a/tests/test_stock_lot.py b/tests/test_stock_lot.py
index a380170d8e..23895166d4 100644
--- a/tests/test_stock_lot.py
+++ b/tests/test_stock_lot.py
@@ -13,10 +13,11 @@ from trytond.tests.test_tryton import doctest_checker
 from trytond.transaction import Transaction
 from trytond.pool import Pool
 
-from trytond.modules.company.tests import create_company, set_company
+from trytond.modules.company.tests import (
+    create_company, set_company, CompanyTestMixin)
 
 
-class StockLotTestCase(ModuleTestCase):
+class StockLotTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Stock Lot module'
     module = 'stock_lot'