diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index 6d5a4bf..9000115 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -652,6 +652,9 @@
 	if ((__be32_to_cpu(switch_status[4]) & 0x0f000000) == 0x01000000)
 		mci->card_caps |= MMC_CAP_SD_HIGHSPEED;
 
+	if (mci_caps(mci) & MMC_CAP_SD_HIGHSPEED)
+		mci->tran_speed = 50000000;
+
 	return 0;
 }