diff --git a/product/ERP5/tests/testAccounting.py b/product/ERP5/tests/testAccounting.py
index f5c2d7fd3a7d8611b209f944646ce67758780b59..4d310cf08236083f21477d613195d8f4f1841125 100644
--- a/product/ERP5/tests/testAccounting.py
+++ b/product/ERP5/tests/testAccounting.py
@@ -1332,6 +1332,8 @@ class TestAccounting(ERP5TypeTestCase):
     # without updating business template.
     account.edit(is_credit_account=False)
     self.failIf(account.isCreditAccount())
+    account.edit(is_credit_account=True)
+    self.failUnless(account.getProperty('is_credit_account'))
     
 if __name__ == '__main__':
   framework()