diff --git a/configs/seaboard_defconfig b/configs/seaboard_defconfig
index 6900b77..2196d31 100644
--- a/configs/seaboard_defconfig
+++ b/configs/seaboard_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TARGET_SEABOARD=y
 CONFIG_DEFAULT_DEVICE_TREE="tegra20-seaboard"
 CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_PROMPT="Tegra20 (SeaBoard) # "
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_IMLS is not set