diff --git a/lib/nbd/nbd_rpc.c b/lib/nbd/nbd_rpc.c
index 9382e86a5..b31d30be1 100644
--- a/lib/nbd/nbd_rpc.c
+++ b/lib/nbd/nbd_rpc.c
@@ -234,11 +234,9 @@ spdk_rpc_dump_nbd_info(struct spdk_json_write_ctx *w,
 {
 	spdk_json_write_object_begin(w);
 
-	spdk_json_write_name(w, "nbd_device");
-	spdk_json_write_string(w, spdk_nbd_disk_get_nbd_path(nbd));
+	spdk_json_write_named_string(w, "nbd_device", spdk_nbd_disk_get_nbd_path(nbd));
 
-	spdk_json_write_name(w, "bdev_name");
-	spdk_json_write_string(w, spdk_nbd_disk_get_bdev_name(nbd));
+	spdk_json_write_named_string(w, "bdev_name", spdk_nbd_disk_get_bdev_name(nbd));
 
 	spdk_json_write_object_end(w);
 }