diff --git a/inventories/core_infrastructure.yml b/inventories/core_infrastructure.yml
index 2e67c11..d2571a0 100644
--- a/inventories/core_infrastructure.yml
+++ b/inventories/core_infrastructure.yml
@@ -30,7 +30,7 @@ all:
             - /nextcloud
           backup_dir: /backup/nextcloud
           backup_name_prefix: nextcloud
-          max_backups_key: 3
+          max_backups_kept: 3
     database:
       ansible_host: "10.12.34.3"
     publicworks: