diff --git a/clusters/cl01tl/applications/roundcube/values.yaml b/clusters/cl01tl/applications/roundcube/values.yaml
index b22cbe90e..2cd244632 100644
--- a/clusters/cl01tl/applications/roundcube/values.yaml
+++ b/clusters/cl01tl/applications/roundcube/values.yaml
@@ -220,7 +220,7 @@ postgres-17-cluster:
     method: objectStore
     objectStore:
       destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/roundcube/roundcube-postgresql-17-cluster
-      index: 2
+      index: 1
   backup:
     objectStore:
       - name: external