diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 01465d59c878..cf306882c8c5 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -487,7 +487,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
 	if (idata->flags & MMC_BLK_IOC_DROP)
 		return 0;
 
-	if (idata->flags & MMC_BLK_IOC_SBC)
+	if (idata->flags & MMC_BLK_IOC_SBC && i > 0)
 		prev_idata = idatas[i - 1];
 
 	/*