diff --git a/ChangeLog b/ChangeLog
index 17e215b62..683fd53f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-10-25  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/fs/jfs.c (grub_jfs_sblock): Fix offset to volname.
+
 2011-10-25  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	Read label on HFS+.
diff --git a/grub-core/fs/jfs.c b/grub-core/fs/jfs.c
index 4a7bb0214..c5e82bfec 100644
--- a/grub-core/fs/jfs.c
+++ b/grub-core/fs/jfs.c
@@ -52,9 +52,9 @@ struct grub_jfs_sblock
   grub_uint32_t blksz;
   grub_uint16_t log2_blksz;
 
-  grub_uint8_t unused[71];
+  grub_uint8_t unused[79];
   grub_uint8_t volname[11];
-  grub_uint8_t unused2[32];
+  grub_uint8_t unused2[24];
   grub_uint8_t uuid[16];
 };