diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 4aacaee..e9963af 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -526,8 +526,8 @@
 ** p is the array of __u32, i is the index into the array, v is the value
 ** to store there.
 */
-#define get_block_num(p, i) le32_to_cpu(get_unaligned((p) + (i)))
-#define put_block_num(p, i, v) put_unaligned(cpu_to_le32(v), (p) + (i))
+#define get_block_num(p, i) get_unaligned_le32((p) + (i))
+#define put_block_num(p, i, v) put_unaligned_le32((v), (p) + (i))
 
 //
 // in old version uniqueness field shows key type