diff --git a/hw/lm4f/kbd.h b/hw/lm4f/kbd.h
index ab23b32..9b364ec 100644
--- a/hw/lm4f/kbd.h
+++ b/hw/lm4f/kbd.h
@@ -1,4 +1,4 @@
 // PS/2 keyboard
+#define USE_KBD
 #define KBD_DATA	PE_4
 #define KBD_IRQ		PE_5
-