diff --git a/scripts/backup b/scripts/backup
index fcf30d3..1b8acfc 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -23,6 +23,7 @@ ynh_print_info --message="Loading installation settings..."
 
 # Retrieve arguments
 app=$YNH_APP_INSTANCE_NAME
+domain=$(ynh_app_setting_get --app=$app --key=domain)
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION