diff -urpN nagios-plugins-1.4.14.orig/plugins/check_disk.c nagios-plugins-1.4.14/plugins/check_disk.c
--- nagios-plugins-1.4.14.orig/plugins/check_disk.c	2009-05-07 23:10:02.000000000 +0200
+++ nagios-plugins-1.4.14/plugins/check_disk.c	2009-10-07 09:48:20.000000000 +0200
@@ -58,7 +58,7 @@ static int inode_format = 1;
 
 /* If nonzero, show even filesystems with zero size or
    uninteresting types. */
-static int show_all_fs = 1;
+static int show_all_fs = 0;
 
 /* If nonzero, show only local filesystems.  */
 static int show_local_fs = 0;