diff --git a/hw/xfree86/ddc/edid.h b/hw/xfree86/ddc/edid.h
index 31bc7c12a..b55600329 100644
--- a/hw/xfree86/ddc/edid.h
+++ b/hw/xfree86/ddc/edid.h
@@ -12,6 +12,8 @@
 #ifndef _EDID_H_
 #define _EDID_H_ 
 
+#include <X11/Xmd.h>
+
 #ifndef _X_EXPORT
 # include <X11/Xfuncproto.h>
 #endif