diff --git a/jake/command/config.py b/jake/command/config.py
index 673bab4..533f987 100644
--- a/jake/command/config.py
+++ b/jake/command/config.py
@@ -24,7 +24,7 @@
 class ConfigCommand(BaseCommand):
 
     def handle_args(self) -> int:
-        return
+        return 0
 
     def get_argument_parser_name(self) -> str:
         return 'config'