diff --git a/apps/prometheus/resources/backup-alerts.yaml b/apps/prometheus/resources/backup-alerts.yaml
index 3403998..bdf9340 100644
--- a/apps/prometheus/resources/backup-alerts.yaml
+++ b/apps/prometheus/resources/backup-alerts.yaml
@@ -18,7 +18,15 @@ spec:
             summary: "Backup job failed"
             description: "{{ $labels.namespace }}/{{ $labels.job_name }} failed; inspect its pod logs and /mnt/backup mount."
         - alert: ArschrockPostgreSQLBackupStale
-          expr: (time() - kube_cronjob_status_last_successful_time{namespace="backup",cronjob="arschrock-postgresql-backup"} > 90000) or (kube_cronjob_info{namespace="backup",cronjob="arschrock-postgresql-backup"} unless kube_cronjob_status_last_successful_time{namespace="backup",cronjob="arschrock-postgresql-backup"})
+          expr: |-
+            (time() - kube_cronjob_status_last_successful_time{namespace="backup",cronjob="arschrock-postgresql-backup"} > 90000)
+            or
+            (
+              (kube_cronjob_info{namespace="backup",cronjob="arschrock-postgresql-backup"}
+                unless kube_cronjob_status_last_successful_time{namespace="backup",cronjob="arschrock-postgresql-backup"})
+              and on(namespace,cronjob)
+              (time() - kube_cronjob_created{namespace="backup",cronjob="arschrock-postgresql-backup"} > 90000)
+            )
           for: 10m
           labels:
             severity: critical