diff --git a/defaults/main.yml b/defaults/main.yml
index f173e27..a8961f0 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -29,6 +29,6 @@ lego_key_type: "ec256"
 # @end
 lego_certificates: []
 
-lego_cron_enabled: True
-lego_cron_minute: "0"
-lego_cron_hour: "2"
+lego_renew_enabled: True
+lego_renew_interval: "*-*-* 1:35"
+lego_renew_randomized_delay: "1h"
diff --git a/templates/etc/systemd/system/lego-renew.timer.j2 b/templates/etc/systemd/system/lego-renew.timer.j2
index fbe547b..d2398c9 100644
--- a/templates/etc/systemd/system/lego-renew.timer.j2
+++ b/templates/etc/systemd/system/lego-renew.timer.j2
@@ -2,8 +2,9 @@
 Description=Lego renew
 
 [Timer]
-OnCalendar={{ lego_renew_interval }}
 Persistent=true
+OnCalendar={{ lego_renew_interval }}
+RandomizedDelaySec={{ lego_renew_randomized_delay }}
 
 [Install]
 WantedBy=timers.target