diff --git a/src/cron.js b/src/cron.js
index 786698ecc..fc280fc7b 100644
--- a/src/cron.js
+++ b/src/cron.js
@@ -117,7 +117,7 @@ function recreateJobs(tz) {
 
     if (gJobs.systemChecks) gJobs.systemChecks.stop();
     gJobs.systemChecks = new CronJob({
-        cronTime: '00 30 * * * *', // every hour
+        cronTime: '00 30 * * * *', // every 30 minutes
         onTick: cloudron.runSystemChecks,
         start: true,
         runOnInit: true, // run system check immediately