diff --git a/dislocker_slash.py b/dislocker_slash.py
index c0e53fa..82036a6 100644
--- a/dislocker_slash.py
+++ b/dislocker_slash.py
@@ -1585,7 +1585,7 @@ async def pcinfo(interaction: discord.Interaction):
 @discord.app_commands.default_permissions(administrator=True)
 async def pcnickname(interaction: discord.Interaction, pc_number: int, nickname: str):
     if interaction.guild_id in dislocker.server_config["bot"]["server_id"] or interaction.user.id in dislocker.server_config["bot"]["admin_user_id"]:
-        pc_nickname_set = dislocker.set_pc_nickname(pc_number=pc_number, nickname=nickname)
+        pc_nickname_set = dislocker.set_pc_nickname(pc_number=pc_number, alt_name=nickname)
         if pc_nickname_set["result"] == 0:
             result_embed = discord.Embed(title=":white_check_mark: 操作が完了しました。", description=f'PC番号 {str(pc_number)} のニックネームは {str(nickname)} に設定されました。', color=0x56FF01)