diff --git a/tests/test_meta_entity.py b/tests/test_meta_entity.py
index 58646e4cdbd3f729eddf13221f95328f9193124c..0711453e03cd532f376e232da9e2c09ef448d06b 100644
--- a/tests/test_meta_entity.py
+++ b/tests/test_meta_entity.py
@@ -167,5 +167,5 @@ def test_which_accounts_required_on(hook, account, required):
                    for error in errors)
 
 def test_not_required_on_opening(hook):
-    txn = testutil.Transaction.opening_balance()
+    txn = testutil.OpeningBalance()
     assert not list(hook.run(txn))