diff --git a/ChangeLog b/ChangeLog
index 88406393e..b51a039b1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-12-16  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* util/grub-mkrescue.c: Fix incorrect file usage in fallback code.
+
+	Reported by: Jon McCune
+
 2013-12-16  Andrey Borzenkov <arvidjaar@gmail.com>
 
 	* grub-core/osdep/linux/platform.c (grub_install_get_default_x86_platform):
diff --git a/util/grub-mkrescue.c b/util/grub-mkrescue.c
index 3e19cb720..b4ee8f598 100644
--- a/util/grub-mkrescue.c
+++ b/util/grub-mkrescue.c
@@ -509,7 +509,7 @@ main (int argc, char *argv[])
 	      if (!sa)
 		grub_util_error (_("cannot open `%s': %s"), sysarea_img,
 				 strerror (errno));
-	      bi = grub_util_fopen (sysarea_img, "wb");
+	      bi = grub_util_fopen (bin, "rb");
 	      if (!bi)
 		grub_util_error (_("cannot open `%s': %s"), bin,
 				 strerror (errno));
@@ -519,10 +519,10 @@ main (int argc, char *argv[])
 	      fclose (bi);
 	      fwrite (buf, 1, 512, sa);
 	      
-	      grub_install_make_image_wrap (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
-					    "/boot/grub", output,
-					    0, load_cfg,
-					    "i386-pc", 0);
+	      grub_install_make_image_wrap_file (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
+						 "/boot/grub", sa, sysarea_img,
+						 0, load_cfg,
+						 "i386-pc", 0);
 	      sz = ftello (sa);
 	      fflush (sa);
 	      grub_util_fd_sync (fileno (sa));