diff --git a/uboot-mtk-20250711/drivers/mmc/mtk-sd.c b/uboot-mtk-20250711/drivers/mmc/mtk-sd.c
index f7882b64b..dca094639 100644
--- a/uboot-mtk-20250711/drivers/mmc/mtk-sd.c
+++ b/uboot-mtk-20250711/drivers/mmc/mtk-sd.c
@@ -232,7 +232,7 @@
 
 #define SCLK_CYCLES_SHIFT		20
 
-#define MIN_BUS_CLK			200000
+#define MIN_BUS_CLK			260000
 
 #define CMD_INTS_MASK	\
 	(MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO)