diff --git a/tests/test_data_is_opening_balance_txn.py b/tests/test_data_is_opening_balance_txn.py
index 8d229d01178f1dee0a16ce07c025dae7c344ce16..5dba3c8a23a41c24d59fedb843b1e51e33c2ff1d 100644
--- a/tests/test_data_is_opening_balance_txn.py
+++ b/tests/test_data_is_opening_balance_txn.py
@@ -23,7 +23,7 @@ from . import testutil
 from conservancy_beancount import data
 
 def test_typical_opening():
-    txn = testutil.Transaction.opening_balance()
+    txn = testutil.OpeningBalance()
     assert data.is_opening_balance_txn(txn)
 
 def test_multiacct_opening():
@@ -36,7 +36,7 @@ def test_multiacct_opening():
     assert data.is_opening_balance_txn(txn)
 
 def test_opening_with_fx():
-    txn = testutil.Transaction.opening_balance()
+    txn = testutil.OpeningBalance()
     equity_post = txn.postings[-1]
     txn.postings[-1] = equity_post._replace(
         units=testutil.Amount(equity_post.units.number * Decimal('.9'), 'EUR'),