diff --git a/product_contract_variable_quantity/tests/test_sale_order.py b/product_contract_variable_quantity/tests/test_sale_order.py
index 97c7012c..5062d167 100644
--- a/product_contract_variable_quantity/tests/test_sale_order.py
+++ b/product_contract_variable_quantity/tests/test_sale_order.py
@@ -30,6 +30,7 @@ class TestSaleOrder(TransactionCase):
         self.product1.write(
             {
                 'is_contract': True,
+                'default_qty': 12,
                 'contract_template_id': self.contract_template1.id,
                 'qty_formula_id': self.formula.id,
                 'qty_type': 'variable',