diff --git a/dht-node/src/dht_node/index.ts b/dht-node/src/dht_node/index.ts
index 36291904a..d0ae1e67b 100644
--- a/dht-node/src/dht_node/index.ts
+++ b/dht-node/src/dht_node/index.ts
@@ -8,11 +8,6 @@ import { Community as DbCommunity } from '@entity/Community'
 import { v4 as uuidv4 } from 'uuid'
 
 const KEY_SECRET_SEEDBYTES = 32
-const getSeed = (): Buffer | null => {
-  return CONFIG.FEDERATION_DHT_SEED
-    ? Buffer.alloc(KEY_SECRET_SEEDBYTES, CONFIG.FEDERATION_DHT_SEED)
-    : null
-}
 
 const POLLTIME = 20000
 const SUCCESSTIME = 120000
@@ -32,7 +27,9 @@ export type CommunityApi = {
 export const startDHT = async (topic: string): Promise<void> => {
   try {
     const TOPIC = DHT.hash(Buffer.from(topic))
-    const keyPair = DHT.keyPair(getSeed())
+    const keyPair = DHT.keyPair(CONFIG.FEDERATION_DHT_SEED
+      ? Buffer.alloc(KEY_SECRET_SEEDBYTES, CONFIG.FEDERATION_DHT_SEED)
+      : null)
     const pubKeyString = keyPair.publicKey.toString('hex')
     logger.info(`keyPairDHT: publicKey=${pubKeyString}`)
     logger.debug(`keyPairDHT: secretKey=${keyPair.secretKey.toString('hex')}`)