diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index b3c5e12..b30f74b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1736,7 +1736,7 @@
 		/* take from bio_init */
 		bio->bi_next = NULL;
 		bio->bi_flags |= 1 << BIO_UPTODATE;
-		bio->bi_rw = 0;
+		bio->bi_rw = READ;
 		bio->bi_vcnt = 0;
 		bio->bi_idx = 0;
 		bio->bi_phys_segments = 0;