diff --git a/pyRCV2/__main__.py b/pyRCV2/__main__.py
index 5e0e0ff..eb2f600 100644
--- a/pyRCV2/__main__.py
+++ b/pyRCV2/__main__.py
@@ -1,5 +1,5 @@
 #   pyRCV2: Preferential vote counting
-#   Copyright © 2020  Lee Yingtong Li (RunasSudo)
+#   Copyright © 2020–2021  Lee Yingtong Li (RunasSudo)
 #
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU Affero General Public License as published by
@@ -27,3 +27,5 @@ args = parser.parse_args()
 
 if args.subcommand == 'stv':
 	stv.main(args)
+else:
+	parser.print_help()