Index: src/platform/services-bsd.c
--- src/platform/services-bsd.c.orig
+++ src/platform/services-bsd.c
@@ -73,7 +73,7 @@ typedef struct statfs statst;
  * 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