diff --git a/block/bio.c b/block/bio.c
index fe1efbeaf4aa..77993fb4bac6 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1808,7 +1808,7 @@ struct bio *bio_split(struct bio *bio, int sectors,
 	bio_advance(bio, split->bi_iter.bi_size);
 
 	if (bio_flagged(bio, BIO_TRACE_COMPLETION))
-		bio_set_flag(bio, BIO_TRACE_COMPLETION);
+		bio_set_flag(split, BIO_TRACE_COMPLETION);
 
 	return split;
 }