diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8c736ce..b69ce15 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -859,6 +859,9 @@
 	if (err)
 		return err;
 
+	mmc_set_bus_width(mmc, 1);
+	mmc_set_clock(mmc, 1);
+
 	/* Reset the Card */
 	err = mmc_go_idle(mmc);