diff --git a/minitch.py b/minitch.py
old mode 100644
new mode 100755
index c6b7243..23a0605
--- a/minitch.py
+++ b/minitch.py
@@ -154,7 +154,10 @@ def main():
     parser_search.set_defaults(func=parser_list)
 
     args = parser.parse_args()
-    args.func(args)
+    try:
+        args.func(args)
+    except AttributeError:
+        parser.error('too few arguments')
 
     write_config()