diff --git a/borgbackup.service b/borgbackup.service
index c2505a0..b041416 100644
--- a/borgbackup.service
+++ b/borgbackup.service
@@ -6,7 +6,7 @@ Type=oneshot
 Environment=BORG_HOSTNAME_IS_UNIQUE=yes
 Nice=19
 ExecStart=/usr/bin/borg create --list --stats --filter AME --exclude-from=${EXCLUDE_LIST} ::{now} /
-ExecStartPost=/usr/bin/borg prune -v --list --keep-daily=7 --keep-weekly=4 --keep-monthly=10 --keep-within 2d --stats ::
+ExecStartPost=/usr/bin/borg prune -v --list --keep-within=2d --keep-daily=7 --keep-weekly=4 --keep-monthly=10 --keep-yearly=3 --stats ::
 
 [Install]
 WantedBy=multi-user.target