diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index f0550be..5d940ff 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -341,7 +341,7 @@ static const char *blk_mq_rq_state_name(enum mq_rq_state rq_state)
 int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq)
 {
 	const struct blk_mq_ops *const mq_ops = rq->q->mq_ops;
-	const unsigned int op = rq->cmd_flags & REQ_OP_MASK;
+	const unsigned int op = req_op(rq);
 
 	seq_printf(m, "%p {.op=", rq);
 	if (op < ARRAY_SIZE(op_name) && op_name[op])