diff --git a/test/unit/common/test_db_replicator.py b/test/unit/common/test_db_replicator.py
index 09ac8bc28a..6aed29cc60 100644
--- a/test/unit/common/test_db_replicator.py
+++ b/test/unit/common/test_db_replicator.py
@@ -1120,7 +1120,7 @@ class TestDBReplicator(unittest.TestCase):
                                           mount_check=False)
         with unit.mock_check_drive(isdir=True):
             response = rpc.dispatch(('a',), 'arg')
-        self.assertEqual('Invalid object type', response.body)
+        self.assertEqual(b'Invalid object type', response.body)
         self.assertEqual(400, response.status_int)
 
     def test_dispatch_drive_not_mounted(self):
diff --git a/tox.ini b/tox.ini
index 87824cf47d..dc17cf2f06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,6 +54,7 @@ commands =
       test/unit/common/test_bufferedhttp.py \
       test/unit/common/test_constraints.py \
       test/unit/common/test_db.py \
+      test/unit/common/test_db_replicator.py \
       test/unit/common/test_daemon.py \
       test/unit/common/test_direct_client.py \
       test/unit/common/test_exceptions.py \