diff --git a/hw/dmx/examples/xinput.c b/hw/dmx/examples/xinput.c
index c930e179d..663270121 100644
--- a/hw/dmx/examples/xinput.c
+++ b/hw/dmx/examples/xinput.c
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <X11/Xmd.h>
 #include <X11/Xlib.h>
 #include <X11/XKBlib.h>
 #include <X11/extensions/XInput.h>