diff --git a/grawlix/arguments.py b/grawlix/arguments.py
index 93ef23c..c4a52c9 100644
--- a/grawlix/arguments.py
+++ b/grawlix/arguments.py
@@ -61,6 +61,7 @@ def parse_arguments() -> argparse.Namespace:
     parser.add_argument(
         '--debug',
         help = "Enable debug messages",
-        dest = "debug"
+        dest = "debug",
+        action="store_true",
     )
     return parser.parse_args()