diff --git a/drivers/block/sandbox.c b/drivers/block/sandbox.c
index 2de12e0..f2aae89 100644
--- a/drivers/block/sandbox.c
+++ b/drivers/block/sandbox.c
@@ -150,7 +150,7 @@
 		goto err_file;
 	}
 
-	desc = blk_get_devnum_by_type(UCLASS_ROOT, devnum);
+	desc = blk_get_devnum_by_uclass_id(UCLASS_ROOT, devnum);
 	desc->removable = removable;
 	snprintf(desc->vendor, BLK_VEN_SIZE, "U-Boot");
 	snprintf(desc->product, BLK_PRD_SIZE, "hostfile");
@@ -192,7 +192,7 @@
 	}
 
 	struct blk_desc *blk_dev = &host_dev->blk_dev;
-	blk_dev->if_type = UCLASS_ROOT;
+	blk_dev->uclass_id = UCLASS_ROOT;
 	blk_dev->priv = host_dev;
 	blk_dev->blksz = 512;
 	blk_dev->lba = os_lseek(host_dev->fd, 0, OS_SEEK_END) / blk_dev->blksz;
@@ -262,8 +262,8 @@
 };
 #else
 U_BOOT_LEGACY_BLK(sandbox_host) = {
-	.if_typename	= "host",
-	.if_type	= UCLASS_ROOT,
+	.uclass_idname	= "host",
+	.uclass_id	= UCLASS_ROOT,
 	.max_devs	= SANDBOX_HOST_MAX_DEVICES,
 	.get_dev	= host_get_dev_err,
 };