diff --git a/cfg_checker/cfg_check.py b/cfg_checker/cfg_check.py
index 1a2d79f..5c986a2 100644
--- a/cfg_checker/cfg_check.py
+++ b/cfg_checker/cfg_check.py
@@ -47,7 +47,7 @@
         args, unknown = parser.parse_known_args()
     except TypeError:
         logger_cli.info("\n# Please, check arguments")
-        sys.exit(0)
+        sys.exit(1)
 
     if unknown:
         logger_cli.error(