diff --git a/utils/redis.js b/utils/redis.js
index 8f83c6e..0e6832e 100644
--- a/utils/redis.js
+++ b/utils/redis.js
@@ -12,7 +12,7 @@ redis.on('ready', async function () {
 
     const keys = await redis.keys('*')
     const filteredKeys = keys.filter(key => !key.startsWith('blacklist:'))
-    await redis.del(filteredKeys)
+    if (filteredKeys.length) await redis.del(filteredKeys)
 
 });