diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index a28d6b98a042..6f4f81a370d8 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -2056,11 +2056,11 @@ reinit:
 	}
 
 	card->clk_scaling_lowest = host->f_min;
-	if ((card->mmc_avail_type | EXT_CSD_CARD_TYPE_HS400) ||
-			(card->mmc_avail_type | EXT_CSD_CARD_TYPE_HS200))
+	if ((card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400) ||
+			(card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200))
 		card->clk_scaling_highest = card->ext_csd.hs200_max_dtr;
-	else if ((card->mmc_avail_type | EXT_CSD_CARD_TYPE_HS) ||
-			(card->mmc_avail_type | EXT_CSD_CARD_TYPE_DDR_52))
+	else if ((card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS) ||
+			(card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_52))
 		card->clk_scaling_highest = card->ext_csd.hs_max_dtr;
 	else
 		card->clk_scaling_highest = card->csd.max_dtr;