diff --git a/product/ERP5Banking/tests/TestERP5BankingMixin.py b/product/ERP5Banking/tests/TestERP5BankingMixin.py
index 2994e696138629bd44dabb5bc74184e66214af80..a9e3f215271dfa2b55771b2d3bdee8c6e2f85e92 100644
--- a/product/ERP5Banking/tests/TestERP5BankingMixin.py
+++ b/product/ERP5Banking/tests/TestERP5BankingMixin.py
@@ -616,6 +616,7 @@ class TestERP5BankingMixin:
       self.portal.manage_addProperty('reference_currency_id', 'EUR', type='string')
     else:
       self.portal._updateProperty('reference_currency_id', "EUR")
+    setattr(self.portal,'functionnal_test_mode',1)
     # the person module
     self.person_module = self.getPersonModule()
     # the organisation module