diff --git a/code/api/app/lib/schedule/clearExpiredToken.js b/code/api/app/lib/schedule/clearExpiredToken.js
index 09459d3..3e8b22e 100644
--- a/code/api/app/lib/schedule/clearExpiredToken.js
+++ b/code/api/app/lib/schedule/clearExpiredToken.js
@@ -3,7 +3,7 @@ const moment = require('moment')
 
 module.exports = function (app, opts) {
     const clearExpiredToken = schedule.scheduleJob(
-        '* * 4 * * *',
+        '0 0 4 * * *',
         // '*/8 * * * * *',
         async () => {
             try {