diff --git a/roles/ynh_backup/README-FR.md b/roles/ynh_backup/README-FR.md
index e3715d1857895b589079b0e390776456b18e2704..4e45bbd9c4e7a5013fc141ae02aa5225d0ce588a 100644
--- a/roles/ynh_backup/README-FR.md
+++ b/roles/ynh_backup/README-FR.md
@@ -30,10 +30,8 @@ ynh_backup:
   scheduled_month: "*"
   system: True
   apps: True
-  src_script: "templates/ynh_backup.sh.j2"
-  dest_script: "/usr/bin"
+  number_days_to_keep: "2"
 
-number_days_to_keep: "2"
 ```
 
 - `ynh_backup.scheduled` : active la fonctionnalité de sauvegarde des applications YunoHost en mettant la valeur à `True`.
diff --git a/roles/ynh_backup/templates/ynh_backup.sh.j2 b/roles/ynh_backup/templates/ynh_backup.sh.j2
index e3aa9f5118bc1863e07d13f3747d03c647ebae3f..4df454f71107140574b5a6eb24db1cc44c44891c 100644
--- a/roles/ynh_backup/templates/ynh_backup.sh.j2
+++ b/roles/ynh_backup/templates/ynh_backup.sh.j2
@@ -1,6 +1,6 @@
 #!/bin/bash
 today="$(date +%Y%m%d)"
-number_to_keep="{{ number_days_to_keep }}"
+number_to_keep="{{ ynh_backup.number_days_to_keep | default("2") }}"
 old_backup_list="$(yunohost backup list --output-as plain | head -n -"$number_to_keep")"
 
 _good() {