diff --git a/configs/firefly-rk3399_defconfig b/configs/firefly-rk3399_defconfig
index 2ca99ad..ea4a30e 100644
--- a/configs/firefly-rk3399_defconfig
+++ b/configs/firefly-rk3399_defconfig
@@ -1,10 +1,10 @@
 CONFIG_ARM=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_OFFSET=0x3F8000
 CONFIG_ROCKCHIP_RK3399=y
 CONFIG_TARGET_EVB_RK3399=y
-CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEFAULT_DEVICE_TREE="rk3399-firefly"