diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 1714572f0a..32eb708a97 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -30,6 +30,7 @@ bootblock-y += tsc_freq.c
 verstage-y += flash_controller.c
 verstage-y += monotonic_timer.c
 verstage-y += pch.c
+verstage-$(CONFIG_UART_DEBUG) += uart_debug.c
 verstage-y += pmutil.c
 verstage-y += bootblock/i2c.c