diff --git a/ChangeLog b/ChangeLog
index 5183b55e0..0ac713c7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-07-31  Pavel Roskin  <proski@gnu.org>
+
+	* disk/raid5_recover.c (grub_raid5_recover): Revert conversion
+	to grub_zalloc(), it was erroneous.
+	Reported by Bean <bean123ch@gmail.com>
+
 2009-07-30  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* util/i386/pc/grub-setup.c (setup): Check that no partition is in
diff --git a/disk/raid5_recover.c b/disk/raid5_recover.c
index a280be1ac..31cef88b1 100644
--- a/disk/raid5_recover.c
+++ b/disk/raid5_recover.c
@@ -32,10 +32,12 @@ grub_raid5_recover (struct grub_raid_array *array, int disknr,
   int i;
 
   size <<= GRUB_DISK_SECTOR_BITS;
-  buf2 = grub_zalloc (size);
+  buf2 = grub_malloc (size);
   if (!buf2)
     return grub_errno;
 
+  grub_memset (buf, 0, size);
+
   for (i = 0; i < (int) array->total_devs; i++)
     {
       grub_err_t err;