diff --git a/maubot/handlers/command.py b/maubot/handlers/command.py
index 33deb01..4d0058f 100644
--- a/maubot/handlers/command.py
+++ b/maubot/handlers/command.py
@@ -189,6 +189,8 @@ class CommandHandler:
     @property
     def __mb_usage_without_subcommands__(self) -> str:
         if not self.__mb_arg_fallthrough__:
+            if not self.__mb_arguments__:
+                return f"**Usage:** {self.__mb_prefix__} [subcommand] [...]"
             return (f"**Usage:** {self.__mb_prefix__} {self.__mb_usage_args__}"
                     f" _OR_ {self.__mb_prefix__} {self.__mb_usage_subcommand__}")
         return f"**Usage:** {self.__mb_prefix__} {self.__mb_usage_args__}"