diff --git a/scripts/upgrade b/scripts/upgrade
index 2f0de71..3f1154e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,7 +18,6 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 admin_email=$(ynh_app_setting_get --app=$app --key=admin_email)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)