diff --git a/sample/systemd/borgmatic.timer b/sample/systemd/borgmatic.timer
index ea254341..d51c9b2d 100644
--- a/sample/systemd/borgmatic.timer
+++ b/sample/systemd/borgmatic.timer
@@ -4,6 +4,7 @@ Description=Run borgmatic backup
 [Timer]
 OnCalendar=daily
 Persistent=true
+RandomizedDelaySec=3h
 
 [Install]
 WantedBy=timers.target