$OpenBSD: patch-etc_icinga2_scripts_mail-host-notification_sh,v 1.3 2017/08/30 12:45:02 sthen Exp $
Index: etc/icinga2/scripts/mail-host-notification.sh
--- etc/icinga2/scripts/mail-host-notification.sh.orig
+++ etc/icinga2/scripts/mail-host-notification.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/ksh
 #
 # Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/)
 
