diff --git a/roles/ynh_backup/tasks/borgbackup.yml b/roles/ynh_backup/tasks/borgbackup.yml
index 3d87cda133f107fd81671b72269e03e34e086d60..9392fa6ca499d152e5824a9dd54cf2f34b80ee13 100644
--- a/roles/ynh_backup/tasks/borgbackup.yml
+++ b/roles/ynh_backup/tasks/borgbackup.yml
@@ -44,7 +44,7 @@
 
     - name: deploy ssh private key for BorgBackup
       ansible.builtin.copy:
-        src: "{{ borg_ssh_keys_src }}"
+        src: "{{ borg_ssh_keys_src }}.vault"
         dest: "{{ borg_ssh_keys_dest }}"
         owner: "root"
         group: "root"