diff --git a/fs/bio.c b/fs/bio.c
index eb8fbc5..098c12b 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1116,6 +1116,9 @@
 	bp->bio1.bi_io_vec = &bp->bv1;
 	bp->bio2.bi_io_vec = &bp->bv2;
 
+	bp->bio1.bi_max_vecs = 1;
+	bp->bio2.bi_max_vecs = 1;
+
 	bp->bio1.bi_end_io = bio_pair_end_1;
 	bp->bio2.bi_end_io = bio_pair_end_2;