diff --git a/drivers/block/rnbd/rnbd-proto.h b/drivers/block/rnbd/rnbd-proto.h
index ca166241452c..cb11855455dd 100644
--- a/drivers/block/rnbd/rnbd-proto.h
+++ b/drivers/block/rnbd/rnbd-proto.h
@@ -234,7 +234,7 @@ static inline u32 rnbd_to_bio_flags(u32 rnbd_opf)
 		bio_opf = REQ_OP_WRITE;
 		break;
 	case RNBD_OP_FLUSH:
-		bio_opf = REQ_OP_FLUSH | REQ_PREFLUSH;
+		bio_opf = REQ_OP_WRITE | REQ_PREFLUSH;
 		break;
 	case RNBD_OP_DISCARD:
 		bio_opf = REQ_OP_DISCARD;