diff --git a/configs/firefly-rk3399_defconfig b/configs/firefly-rk3399_defconfig
index b531d21..b84d7b9 100644
--- a/configs/firefly-rk3399_defconfig
+++ b/configs/firefly-rk3399_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
 CONFIG_ROCKCHIP_RK3399=y
+CONFIG_ENV_OFFSET=0x3F8000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000