diff --git a/roles/backup_client/defaults/main.yml b/roles/backup_client/defaults/main.yml
index 9e076eee8b99df82736bef123c15d8b7bb7487b3..468ed2234936558eae45edf0b5722097921308f9 100644
--- a/roles/backup_client/defaults/main.yml
+++ b/roles/backup_client/defaults/main.yml
@@ -1,8 +1,9 @@
 ---
 
+backup_additional_encryption_keys: []
 backup_client_username: "bak-{{ ansible_fqdn | replace('.', '_') }}"
-backup_encryption_keys:
-  - "{{ ansible_fqdn }}"
+backup_encryption_key: "{{ ansible_fqdn }}"
 backup_gnupg_keyring: "{{ inventory_dir }}/backup_keyring"
 backup_server_destination: //duplicity
-backup_server_port: 2222
\ No newline at end of file
+backup_server_port: 2222
+backup_signing_key: ""