diff --git a/src/redis/session/SessionManager.ts b/src/redis/session/SessionManager.ts
index 2990f98..3ac3069 100644
--- a/src/redis/session/SessionManager.ts
+++ b/src/redis/session/SessionManager.ts
@@ -14,6 +14,7 @@ class RedisSessionManager {
     public readonly client: Redis;
 
     private constructor() {
+        if (!process.env.REDIS_HOST) throw new Error('Unknown Host')
         const redisConfig: RedisConfig = {
             host: process.env.REDIS_HOST!,
             port: Number(process.env.REDIS_PORT),