diff --git a/configs/sh7763rdp_defconfig b/configs/sh7763rdp_defconfig
index 0286166..9334f6b 100644
--- a/configs/sh7763rdp_defconfig
+++ b/configs/sh7763rdp_defconfig
@@ -1,5 +1,6 @@
 CONFIG_SH=y
 CONFIG_TARGET_SH7763RDP=y
+CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_BOOTDELAY=-1
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_CMD_BDI is not set