diff --git a/dlls/user32/user_private.h b/dlls/user32/user_private.h
index 6d668ba..bd7d39e 100644
--- a/dlls/user32/user_private.h
+++ b/dlls/user32/user_private.h
@@ -47,6 +47,7 @@
     WM_WINE_SETACTIVEWINDOW,
     WM_WINE_KEYBOARD_LL_HOOK,
     WM_WINE_MOUSE_LL_HOOK,
+    WM_WINE_CLIPCURSOR,
     WM_WINE_FIRST_DRIVER_MSG = 0x80001000,  /* range of messages reserved for the USER driver */
     WM_WINE_LAST_DRIVER_MSG = 0x80001fff
 };