diff -ru /gdk/win32/gdkinput-winpointer.c b/gdk/win32/gdkinput-winpointer.c
--- a/gdk/win32/gdkinput-winpointer.c
+++ b/gdk/win32/gdkinput-winpointer.c
@@ -18,6 +18,7 @@
 #include "config.h"

 #include <gdk/gdk.h>
+#include "gdk-private.h"
 #include "gdkwin32.h"
 #include "gdkprivate-win32.h"
 #include "gdkdevicemanager-win32.h"