diff --git a/tests/db/test_bigchain_api.py b/tests/db/test_bigchain_api.py
index 7082e52f..2eb8af7e 100644
--- a/tests/db/test_bigchain_api.py
+++ b/tests/db/test_bigchain_api.py
@@ -38,8 +38,8 @@ class TestBigchainApi(object):
     def test_create_transaction_create(self, b, user_sk):
         tx = b.create_transaction(b.me, user_sk, None, 'CREATE')
 
-        assert sorted(tx) == ['id', 'transaction', 'version']
-        assert sorted(tx['transaction']) == ['conditions', 'data', 'fulfillments', 'operation', 'timestamp']
+        assert sorted(tx) == ['id', 'transaction']
+        assert sorted(tx['transaction']) == ['conditions', 'data', 'fulfillments', 'operation', 'timestamp', 'version']
 
     def test_create_transaction_with_unsupported_payload_raises(self, b):
         with pytest.raises(TypeError):
@@ -79,8 +79,8 @@ class TestBigchainApi(object):
 
         tx = b.create_transaction(user_vk, b.me, input_tx, 'TRANSFER')
 
-        assert sorted(tx) == ['id', 'transaction', 'version']
-        assert sorted(tx['transaction']) == ['conditions', 'data', 'fulfillments', 'operation', 'timestamp']
+        assert sorted(tx) == ['id', 'transaction']
+        assert sorted(tx['transaction']) == ['conditions', 'data', 'fulfillments', 'operation', 'timestamp', 'version']
 
         tx_signed = b.sign_transaction(tx, user_sk)
 
@@ -1169,7 +1169,7 @@ class TestFulfillmentMessage(object):
         assert fulfillment_message['fulfillment']['input'] == original_fulfillment['input']
         assert fulfillment_message['operation'] == tx['transaction']['operation']
         assert fulfillment_message['timestamp'] == tx['transaction']['timestamp']
-        assert fulfillment_message['version'] == tx['version']
+        assert fulfillment_message['version'] == tx['transaction']['version']
 
     @pytest.mark.usefixtures('inputs')
     def test_fulfillment_message_transfer(self, b, user_vk):
@@ -1192,7 +1192,7 @@ class TestFulfillmentMessage(object):
         assert fulfillment_message['fulfillment']['input'] == original_fulfillment['input']
         assert fulfillment_message['operation'] == tx['transaction']['operation']
         assert fulfillment_message['timestamp'] == tx['transaction']['timestamp']
-        assert fulfillment_message['version'] == tx['version']
+        assert fulfillment_message['version'] == tx['transaction']['version']
 
     def test_fulfillment_message_multiple_current_owners_multiple_new_owners_multiple_inputs(self, b, user_vk):
         # create a new users
@@ -1230,7 +1230,7 @@ class TestFulfillmentMessage(object):
             assert fulfillment_message['fulfillment']['input'] == original_fulfillment['input']
             assert fulfillment_message['operation'] == tx['transaction']['operation']
             assert fulfillment_message['timestamp'] == tx['transaction']['timestamp']
-            assert fulfillment_message['version'] == tx['version']
+            assert fulfillment_message['version'] == tx['transaction']['version']
 
 
 class TestTransactionMalleability(object):
diff --git a/tests/test_util.py b/tests/test_util.py
index 4a440d60..a4fe5a74 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -151,7 +151,7 @@ def test_create_tx_with_empty_inputs():
     tx = create_tx(None, None, [], None)
     assert 'id' in tx
     assert 'transaction' in tx
-    assert 'version' in tx
+    assert 'version' in tx['transaction']
     assert 'fulfillments' in tx['transaction']
     assert 'conditions' in tx['transaction']
     assert 'operation' in tx['transaction']