diff --git a/configs/mx31pdk_defconfig b/configs/mx31pdk_defconfig
index e704dfd..5b8523a 100644
--- a/configs/mx31pdk_defconfig
+++ b/configs/mx31pdk_defconfig
@@ -5,6 +5,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_NAND_SUPPORT=y
+CONFIG_ENV_IS_IN_NAND=y
 CONFIG_BOOTDELAY=1
 CONFIG_SPL=y
 CONFIG_CMD_BOOTZ=y