diff --git a/scripts/upgrade b/scripts/upgrade
index 61f2316..1dd760d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -58,8 +58,10 @@ ynh_script_progression --message="Ensuring downward compatibility..."
 # Delete old user
 if [ -n "$(ynh_app_setting_get --app=$app --key=user)" ]
 then
+    ynh_systemd_action --service_name=php${phpversion}-fpm --action=stop
     ynh_system_user_delete --username="$(ynh_app_setting_get --app=$app --key=user)"
     ynh_app_setting_delete --app=$app --key=user
+    ynh_systemd_action --service_name=php${phpversion}-fpm --action=start
 fi
 
 # If db_name doesn't exist, create it