diff --git a/configs/sh7763rdp_defconfig b/configs/sh7763rdp_defconfig
index 74c174b..2ec6939 100644
--- a/configs/sh7763rdp_defconfig
+++ b/configs/sh7763rdp_defconfig
@@ -1,5 +1,7 @@
 CONFIG_SH=y
 CONFIG_SYS_TEXT_BASE=0x8FFC0000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_SECT_SIZE=0x20000
 CONFIG_TARGET_SH7763RDP=y
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y
@@ -28,6 +30,8 @@
 CONFIG_CMD_JFFS2=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
+CONFIG_ENV_ADDR=0xA0020000
+CONFIG_ENV_ADDR_REDUND=0xA0040000
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_CFI=y