diff --git a/clickplc/__init__.py b/clickplc/__init__.py
index 27d38dc..ffdee80 100644
--- a/clickplc/__init__.py
+++ b/clickplc/__init__.py
@@ -17,7 +17,7 @@ def command_line():
     parser = argparse.ArgumentParser(description="Control a ClickPLC from "
                                      "the command line")
     parser.add_argument('address', help="The IP address of the ClickPLC")
-    parser.add_argument('tags_file', default=None,
+    parser.add_argument('tags_file', default=None, required=False,
                         help="Optional: Path to a tags file for this PLC")
     args = parser.parse_args()
 
diff --git a/clickplc/tests/test_driver.py b/clickplc/tests/test_driver.py
index e7a8e3a..d72044d 100644
--- a/clickplc/tests/test_driver.py
+++ b/clickplc/tests/test_driver.py
@@ -49,7 +49,7 @@ def test_unsupported_tags():
 async def test_tagged_driver(tagged_driver, expected_tags):
     await tagged_driver.set('VAH_101_OK', True)
     state = await tagged_driver.get()
-    assert state.get('VAH_101_OK') is True
+    assert state.get('VAH_101_OK')
     assert expected_tags.keys() == state.keys()