diff --git a/configs/kilauea_defconfig b/configs/kilauea_defconfig
index 0054cc6..5c77b0c 100644
--- a/configs/kilauea_defconfig
+++ b/configs/kilauea_defconfig
@@ -2,3 +2,4 @@
 CONFIG_4xx=y
 CONFIG_TARGET_KILAUEA=y
 CONFIG_SYS_EXTRA_OPTIONS="KILAUEA"
+CONFIG_SYS_NS16550=y