diff --git a/configs/r0p7734_defconfig b/configs/r0p7734_defconfig
index cdb9afb..5fa69fb 100644
--- a/configs/r0p7734_defconfig
+++ b/configs/r0p7734_defconfig
@@ -2,6 +2,8 @@
 CONFIG_TARGET_R0P7734=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_BOOTDELAY=3
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttySC3,115200"
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_CONSOLE is not set