diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index 4cfeec57fb05c30a0f2d5d27d7d9972ea0a5b08a..7bcc755beb40d195553f82180c4718996df016cd 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -351,7 +351,7 @@ xrep_init_btblock(
 	xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
 	xfs_btree_init_block(mp, bp, btnum, 0, 0, sc->sa.agno);
 	xfs_trans_buf_set_type(tp, bp, XFS_BLFT_BTREE_BUF);
-	xfs_trans_log_buf(tp, bp, 0, bp->b_length);
+	xfs_trans_log_buf(tp, bp, 0, BBTOB(bp->b_length) - 1);
 	bp->b_ops = ops;
 	*bpp = bp;