diff --git a/dislocker.py b/dislocker.py
index e3ead75..fba9635 100644
--- a/dislocker.py
+++ b/dislocker.py
@@ -407,12 +407,13 @@ class Bot(discord.Client):
 
     async def on_ready(self):
         print("DiscordのBotが起動しました。")
-        activity = discord.Activity(
+        dislocker_activity = discord.Activity(
             name=dislocker.server_config["bot"]["activity"]["name"],
             type=discord.ActivityType.competing,
             details=dislocker.server_config["bot"]["activity"]["details"],
             state=dislocker.server_config["bot"]["activity"]["state"]
         )
+        await bot.change_presence(activity=dislocker_activity)
 
     async def on_interaction(self, interaction:discord.Interaction):
         try: