diff --git a/src/bot/events/message-create/server-booster/handlers/index.ts b/src/bot/events/message-create/server-booster/handlers/index.ts
index 9afeca3..14e30ae 100644
--- a/src/bot/events/message-create/server-booster/handlers/index.ts
+++ b/src/bot/events/message-create/server-booster/handlers/index.ts
@@ -2,7 +2,7 @@ import type { TextChannel } from 'discord.js'
 import { SYSTEM_ASHES_CHANNEL } from '@config/discord'
 import { EVENT_PATH } from '@events/index'
 import { registerMessageHandler } from '@events/message-create/registry'
-import { sendAsBot } from '@utils/discord'
+import { getChannel, sendAsBot } from '@utils/discord'
 import { DiscordBaseError } from '@utils/discord/error'
 import { getModuleName } from '@utils/io'
 import { ServerBooster } from '../validators'
@@ -24,15 +24,15 @@ registerMessageHandler({
             if (!msg.guild || !msg.inGuild())
                 throw new ServerBoosterError(ServerBooster.ERR.NotGuild)
 
-            const channel = msg.channel as TextChannel
-            ServerBooster.assertChannel(channel)
-            ServerBooster.assertMissPerms(msg.guild.members.me!, channel)
+            const systemAshesChannel = await getChannel(msg.guild, SYSTEM_ASHES_CHANNEL) as TextChannel
+            ServerBooster.assertChannel(systemAshesChannel)
+            ServerBooster.assertMissPerms(msg.guild.members.me!, systemAshesChannel)
             const member = msg.member!
             ServerBooster.assertMember(member)
 
             const embed = ServerBooster.sayDeeplyThanksTo(member)
 
-            await sendAsBot(null, channel, {
+            await sendAsBot(null, systemAshesChannel, {
                 content: ServerBooster.MSG.SpecialThanks,
                 embeds: [embed],
             })