diff --git a/configs/zc5601_defconfig b/configs/zc5601_defconfig
index ba39357..62cb213 100644
--- a/configs/zc5601_defconfig
+++ b/configs/zc5601_defconfig
@@ -39,6 +39,8 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
+CONFIG_SYS_MMC_ENV_PART=2
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_FSL_USDHC=y