diff --git a/dislocker.py b/dislocker.py
index 64de3fa..b051213 100644
--- a/dislocker.py
+++ b/dislocker.py
@@ -619,7 +619,7 @@ class Bot(discord.Client):
             for i in range(1, 11):
                 device_register_button = discord.ui.Button(style=discord.ButtonStyle.primary, label=f"{i}", custom_id=f"deviceregister_{str(pc_number)}_{i}")
                 device_register_view.add_item(device_register_button)
-            device_own_register_button = discord.ui.Button(style=discord.ButtonStyle.primary, label="自前", custom_id=f"device_register_{str(pc_number)}_own")
+            device_own_register_button = discord.ui.Button(style=discord.ButtonStyle.primary, label="自前", custom_id=f"deviceregister_{str(pc_number)}_own")
             device_register_view.add_item(device_own_register_button)
 
             await interaction.response.send_message(f"# :keyboard: デバイス番号を選んでください！\n>>> # PC番号 | {str(pc_number)}", view=device_register_view, ephemeral=True)