diff --git a/scripts/backup b/scripts/backup
index 94b1139..a141a18 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -32,6 +32,8 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
+cache=$(ynh_app_setting_get --app=$app --key=cache)
+
 #=================================================
 # STANDARD BACKUP STEPS
 #=================================================