diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 022526a1f754..efb0d2d5716b 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2907,7 +2907,8 @@ static int msdc_drv_probe(struct platform_device *pdev)
 		host->crypto_clk = devm_clk_get_optional(&pdev->dev, "crypto");
 		if (IS_ERR(host->crypto_clk))
 			return PTR_ERR(host->crypto_clk);
-		mmc->caps2 |= MMC_CAP2_CRYPTO;
+		else if (host->crypto_clk)
+			mmc->caps2 |= MMC_CAP2_CRYPTO;
 	}
 
 	host->irq = platform_get_irq(pdev, 0);