diff --git a/ChangeLog b/ChangeLog
index 1b3dbaef..9d3342ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,7 +26,8 @@ xx/xx/2005 - 1.12.2-WIP
 	- Fix endianness bug (le16 instead of le32 when accessing mft record
 	  bytes_in_use) in volume.c::ntfs_volume_write_flags() and
 	  ntfsfix.c::OLD_ntfs_volume_set_flags().  (Anton)
-	- Fix endianness bug in ntfsinfo.  (Anton)
+	- Fix endianness bugs in ntfsinfo.  (Anton)
+	- Fix endianness bug in libntfs/index.c.  (Anton)
 
 10/10/2005 - 1.12.1 - Minor fix to location of mount.ntfs-fuse and mkfs.ntfs.
 
diff --git a/libntfs/index.c b/libntfs/index.c
index 36dcdc91..41786e6f 100644
--- a/libntfs/index.c
+++ b/libntfs/index.c
@@ -207,7 +207,7 @@ int ntfs_index_lookup(const void *key, const int key_len,
 			le16_to_cpu(actx->attr->value_offset));
 	index_end = (u8*)&ir->index + le32_to_cpu(ir->index.index_length);
 	/* Save index block size for future use. */
-	ictx->block_size = ir->index_block_size;
+	ictx->block_size = le32_to_cpu(ir->index_block_size);
 	/* Get collation rule type and validate it. */
 	cr = ir->collation_rule;
 	if (!ntfs_is_collation_rule_supported(cr)) {