$OpenBSD: patch-src_platform_services-bsd_c,v 1.1 2017/05/23 09:00:53 benoit Exp $
--- src/platform/services-bsd.c.orig	Tue May 23 10:28:40 2017
+++ src/platform/services-bsd.c	Tue May 23 10:29:07 2017
@@ -73,7 +73,7 @@
  * df(1) manual page. However, df and df -a have the same output on 2 machines
  * on which I could test. Use this workaround for now.
  */
-#if defined(__APPLE__)
+#if defined(__APPLE__) || defined(__OpenBSD__)
 #ifndef MNT_IGNORE
 #define MNT_IGNORE 0
 #endif
