diff --git a/ChangeLog b/ChangeLog
index 9152de1e5..ab89fc9f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-11-11  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/osdep/apple/hostdisk.c (grub_util_get_fd_size): Rename to ..
+	(grub_util_get_fd_size_os): ...this.
+	(grub_hostdisk_flush_initial_buffer): New empty function.
+
 2013-11-11  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/gensyminfo.sh.in: Handle the case of portable output
diff --git a/grub-core/osdep/apple/hostdisk.c b/grub-core/osdep/apple/hostdisk.c
index 5006a57d5..d0641744b 100644
--- a/grub-core/osdep/apple/hostdisk.c
+++ b/grub-core/osdep/apple/hostdisk.c
@@ -44,8 +44,8 @@
 
 # include <sys/disk.h>
 
-grub_uint64_t
-grub_util_get_fd_size (grub_util_fd_t fd, const char *name, unsigned *log_secsize)
+grub_int64_t
+grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize)
 {
   unsigned long long nr;
   unsigned sector_size, log_sector_size;
@@ -88,3 +88,8 @@ grub_util_fd_open (const char *os_dev, int flags)
 
   return ret;
 }
+
+void
+grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused)))
+{
+}