diff --git a/hw/xfree86/common/xf86AutoConfig.c b/hw/xfree86/common/xf86AutoConfig.c
index 271ce86b6..95d58fe43 100644
--- a/hw/xfree86/common/xf86AutoConfig.c
+++ b/hw/xfree86/common/xf86AutoConfig.c
@@ -39,6 +39,7 @@
 #include "xf86Config.h"
 #include "xf86Priv.h"
 #include "xf86_OSlib.h"
+#include "xf86platformBus.h"
 #include "xf86pciBus.h"
 #ifdef __sparc__
 #include "xf86sbusBus.h"