diff --git a/configs/ci20_mmc_defconfig b/configs/ci20_mmc_defconfig
index fadebee..3b3ec10 100644
--- a/configs/ci20_mmc_defconfig
+++ b/configs/ci20_mmc_defconfig
@@ -4,6 +4,8 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_ENV_SIZE=0x8000
+CONFIG_ENV_OFFSET=0x83800
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL=y
 CONFIG_ARCH_JZ47XX=y