diff --git a/configs/warp7_bl33_defconfig b/configs/warp7_bl33_defconfig
index 3624b13..53665e6 100644
--- a/configs/warp7_bl33_defconfig
+++ b/configs/warp7_bl33_defconfig
@@ -25,6 +25,7 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DFU_MMC=y
+CONFIG_DM_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y