diff --git a/configs/spear600_usbtty_defconfig b/configs/spear600_usbtty_defconfig
index c77229a..7505ac0 100644
--- a/configs/spear600_usbtty_defconfig
+++ b/configs/spear600_usbtty_defconfig
@@ -23,3 +23,4 @@
 CONFIG_NETDEVICES=y
 CONFIG_PHY_GIGE=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_CONS_INDEX=0