diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 9dfcf540f400..dd64e2066f01 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -2516,6 +2516,10 @@ static void calc_vtime_cost_builtin(struct bio *bio, struct ioc_gq *iocg,
 	u64 seek_pages = 0;
 	u64 cost = 0;
 
+	/* Can't calculate cost for empty bio */
+	if (!bio->bi_iter.bi_size)
+		goto out;
+
 	switch (bio_op(bio)) {
 	case REQ_OP_READ:
 		coef_seqio	= ioc->params.lcoefs[LCOEF_RSEQIO];