diff --git a/configs/meesc_dataflash_defconfig b/configs/meesc_dataflash_defconfig
index 476700c..0bef67e 100644
--- a/configs/meesc_dataflash_defconfig
+++ b/configs/meesc_dataflash_defconfig
@@ -3,6 +3,8 @@
 CONFIG_SYS_TEXT_BASE=0x21F00000
 CONFIG_TARGET_MEESC=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ENV_SIZE=0x4200
+CONFIG_ENV_OFFSET=0x4200
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9263,SYS_USE_DATAFLASH"
@@ -22,6 +24,7 @@
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_USE_ENV_SPI_MAX_HZ=y
 CONFIG_ENV_SPI_MAX_HZ=15000000
+CONFIG_ENV_SECT_SIZE=0x210
 CONFIG_DM=y
 CONFIG_CLK=y
 CONFIG_CLK_AT91=y