diff --git a/puppet/kandra/manifests/prod_app_frontend_once.pp b/puppet/kandra/manifests/prod_app_frontend_once.pp
index 37c215bcf6..6ae2469e5e 100644
--- a/puppet/kandra/manifests/prod_app_frontend_once.pp
+++ b/puppet/kandra/manifests/prod_app_frontend_once.pp
@@ -5,7 +5,7 @@ class kandra::prod_app_frontend_once {
 
   zulip::cron { 'update-first-visible-message-id':
     hour   => '7',
-    minute => '*',
+    minute => '0',
     manage => 'calculate_first_visible_message_id --lookback-hours 30',
   }