diff --git a/configs/ls1028ardb_tfa_defconfig b/configs/ls1028ardb_tfa_defconfig
index 801552c..2ee57de 100644
--- a/configs/ls1028ardb_tfa_defconfig
+++ b/configs/ls1028ardb_tfa_defconfig
@@ -8,7 +8,7 @@
 CONFIG_SYS_MEMTEST_END=0x9fffffff
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0x500000
-CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_ENV_SECT_SIZE=0x20000
 CONFIG_DM_GPIO=y
 CONFIG_FSPI_AHB_EN_4BYTE=y
 CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT=y