diff --git a/hw/xwin/winmouse.c b/hw/xwin/winmouse.c
index da1d5a9e7..ee93d8f02 100644
--- a/hw/xwin/winmouse.c
+++ b/hw/xwin/winmouse.c
@@ -39,6 +39,7 @@
 #include "inputstr.h"
 #include "exevents.h" /* for button/axes labels */
 #include "xserver-properties.h"
+#include "inpututils.h"
 
 /* Peek the internal button mapping */
 static CARD8 const *g_winMouseButtonMap = NULL;