diff --git a/runoff.list b/runoff.list
index 76a6449..6bbd386 100644
--- a/runoff.list
+++ b/runoff.list
@@ -63,6 +63,7 @@ kbd.h
 kbd.c
 console.c
 timer.c
+uart.c
 
 # user-level
 initcode.S