--- a/fsck_hfs.tproj/dfalib/Scavenger.h
+++ b/fsck_hfs.tproj/dfalib/Scavenger.h
@@ -48,7 +48,7 @@
 #endif
 #include <sys/errno.h>
 #include <sys/param.h>
-#include <sys/sysctl.h>
+#include <linux/sysctl.h>
 #include <sys/mount.h>
 #include <hfs/hfs_mount.h>
 
--- a/fsck_hfs.tproj/fsck_hfs.c
+++ b/fsck_hfs.tproj/fsck_hfs.c
@@ -30,7 +30,7 @@
 #include <sys/ioctl.h>
 #if !LINUX
 #include <sys/disk.h>
-#include <sys/sysctl.h>
+#include <linux/sysctl.h>
 #include <setjmp.h>
 #endif
 #include <hfs/hfs_mount.h>
--- a/fsck_hfs.tproj/utilities.c
+++ b/fsck_hfs.tproj/utilities.c
@@ -70,7 +70,7 @@
 #include <string.h>
 #include <unistd.h> 
 #include <stdlib.h>
-#include <sys/sysctl.h>
+#include <linux/sysctl.h>
 
 #include "fsck_hfs.h"
 
--- a/newfs_hfs.tproj/makehfs.c
+++ b/newfs_hfs.tproj/makehfs.c
@@ -38,7 +38,7 @@
 #endif
 #include <sys/errno.h>
 #include <sys/stat.h>
-#include <sys/sysctl.h>
+#include <linux/sysctl.h>
 #if !LINUX
 #include <sys/vmmeter.h>
 #endif