--- src/df.c.orig	Sun Mar 22 23:14:49 1998
+++ src/df.c	Thu Sep 17 15:39:35 1998
@@ -109,7 +109,7 @@
     avail = buf.f_bavail * (buf.f_frsize / blocksize);
 #endif
 
-#if defined NETBSD || defined LINUX || defined SUNOS || defined HPuUX
+#if defined NETBSD || defined LINUX || defined SUNOS || defined HPuUX || defined OPENBSD
     total = buf.f_blocks;
     used = buf.f_blocks - buf.f_bfree;
     avail = buf.f_bavail;
