diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
index 7ef7cb0..bedc1fd 100644
--- a/configs/evb-rk3399_defconfig
+++ b/configs/evb-rk3399_defconfig
@@ -43,6 +43,7 @@
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
+CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000