diff --git a/configs/firefly-rk3399_defconfig b/configs/firefly-rk3399_defconfig
index 0a4d005..5c2d925 100644
--- a/configs/firefly-rk3399_defconfig
+++ b/configs/firefly-rk3399_defconfig
@@ -6,6 +6,7 @@
 CONFIG_ROCKCHIP_RK3399=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEFAULT_DEVICE_TREE="rk3399-firefly"
+CONFIG_DEBUG_UART=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_DISPLAY_CPUINFO is not set
@@ -49,7 +50,6 @@
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
 CONFIG_BAUDRATE=1500000
-CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART_SHIFT=2