diff --git a/ChangeLog b/ChangeLog
index 0cf6bea9a..70f0c86ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-09-05  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/partmap/dvh.c (grub_dvh_is_valid): Add missing byteswap.
+
 2012-09-05  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/fs/xfs.c (grub_xfs_read_block): Make keys a const pointer.
diff --git a/grub-core/partmap/dvh.c b/grub-core/partmap/dvh.c
index c8f467eb5..79ec01b8e 100644
--- a/grub-core/partmap/dvh.c
+++ b/grub-core/partmap/dvh.c
@@ -57,7 +57,7 @@ grub_dvh_is_valid (grub_uint32_t *label)
   for (pos = label;
        pos < (label + sizeof (struct grub_dvh_block) / 4);
        pos++)
-    sum += *pos;
+    sum += grub_be_to_cpu32 (*pos);
 
   return ! sum;
 }