diff --git a/hw/xbox/xbox.c b/hw/xbox/xbox.c
index a702810a19..40001d4f4b 100644
--- a/hw/xbox/xbox.c
+++ b/hw/xbox/xbox.c
@@ -50,6 +50,7 @@
 #include "hw/xbox/mcpx_apu.h"
  
 #include "hw/xbox/xbox.h"
+#include "smbus.h"
 
 #define MAX_IDE_BUS 2