diff --git a/autorestic-backup.timer b/autorestic-backup.timer
index 6c1aadd..db495b5 100644
--- a/autorestic-backup.timer
+++ b/autorestic-backup.timer
@@ -1,7 +1,7 @@
 [Unit]
 Description=Backup with autorestic daily
 [Timer]
-OnCalendar="*-*-* 03:*:*"
+OnCalendar=*-*-* 3:00:00
 Persistent=true
 [Install]
 WantedBy=timers.target