diff --git a/configs/mscc_ocelot_defconfig b/configs/mscc_ocelot_defconfig
index a0e04bd..36ca158 100644
--- a/configs/mscc_ocelot_defconfig
+++ b/configs/mscc_ocelot_defconfig
@@ -72,6 +72,7 @@
 CONFIG_MSCC_OCELOT_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_DEBUG_UART_ANNOUNCE=y