diff --git a/configs/nsa310s_defconfig b/configs/nsa310s_defconfig
index cc238f0..404e7cc 100644
--- a/configs/nsa310s_defconfig
+++ b/configs/nsa310s_defconfig
@@ -4,6 +4,8 @@
 CONFIG_KIRKWOOD=y
 CONFIG_SYS_TEXT_BASE=0x600000
 CONFIG_TARGET_NSA310S=y
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_OFFSET=0xE0000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_BOOTDELAY=3
 CONFIG_USE_PREBOOT=y