diff --git a/hw/xwayland/xwayland-types.h b/hw/xwayland/xwayland-types.h
index e70e56320..927a07168 100644
--- a/hw/xwayland/xwayland-types.h
+++ b/hw/xwayland/xwayland-types.h
@@ -31,5 +31,6 @@ struct xwl_window;
 struct xwl_screen;
 struct xwl_egl_backend;
 struct xwl_drm_lease;
+struct xwl_output;
 
 #endif /* XWAYLAND_TYPES_H */