diff --git a/configs/boston64r6_defconfig b/configs/boston64r6_defconfig
index 133a0a9..140817f 100644
--- a/configs/boston64r6_defconfig
+++ b/configs/boston64r6_defconfig
@@ -1,5 +1,7 @@
 CONFIG_MIPS=y
 CONFIG_SYS_TEXT_BASE=0xFFFFFFFF9FC00000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_SECT_SIZE=0x20000
 CONFIG_TARGET_BOSTON=y
 CONFIG_CPU_MIPS64_R6=y
 # CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
@@ -26,6 +28,7 @@
 # CONFIG_ISO_PARTITION is not set
 CONFIG_DEFAULT_DEVICE_TREE="img,boston"
 CONFIG_ENV_IS_IN_FLASH=y
+CONFIG_ENV_ADDR=0xFFFFFFFFBFFE0000
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
 CONFIG_MTD=y