iff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 21056b9..b8aee44 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1599,7 +1599,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
         */

        snprintf(md->disk->disk_name, sizeof(md->disk->disk_name),
-                "mmcblk%d%s", md->name_idx, subname ? subname : "");
+                "mmcblk%d%s", card->host->index, subname ? subname : "");

        if (mmc_card_mmc(card))
                blk_queue_logical_block_size(md->queue.queue,