diff --git a/src/lib/redis.ts b/src/lib/redis.ts
index 0014780..4efe21c 100644
--- a/src/lib/redis.ts
+++ b/src/lib/redis.ts
@@ -5,7 +5,7 @@ const globalForRedis = globalThis as { redis?: RedisClientType }
 
 const { REDIS_HOST, REDIS_PORT, REDIS_USERNAME, REDIS_PASSWORD } = process.env
 if (!globalForRedis.redis) {
-  const url = REDIS_USERNAME && REDIS_PASSWORD
+  const url = (REDIS_USERNAME || REDIS_PASSWORD)
     ? `redis://${REDIS_USERNAME}:${REDIS_PASSWORD}@${REDIS_HOST}:${REDIS_PORT}`
     : `redis://${REDIS_HOST}:${REDIS_PORT}`
   console.log('test url', url)