diff --git a/cnpg/cluster/resources/backup.yaml b/cnpg/cluster/resources/backup.yaml
index bc492f5..702070e 100644
--- a/cnpg/cluster/resources/backup.yaml
+++ b/cnpg/cluster/resources/backup.yaml
@@ -5,7 +5,7 @@ metadata:
   name: daily-backup
   namespace: postgres
 spec:
-  schedule: "0 0 0/6 * * *"
+  schedule: "0 0 */6 * * *"
   backupOwnerReference: self
   cluster:
     name: app-cluster