diff --git a/configs/cm_t3517_defconfig b/configs/cm_t3517_defconfig
index 3224c9d..97ed532 100644
--- a/configs/cm_t3517_defconfig
+++ b/configs/cm_t3517_defconfig
@@ -44,6 +44,7 @@
 CONFIG_SMC911X=y
 CONFIG_SMC911X_BASE=0x2D000000
 CONFIG_SMC911X_32_BIT=y
+CONFIG_CONS_INDEX=3
 CONFIG_SYS_NS16550=y
 CONFIG_OMAP3_SPI=y
 CONFIG_USB=y