diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index fe24ddcba4..8820920cb6 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -2677,7 +2677,7 @@ gdk_window_begin_implicit_paint (GdkWindow *window, GdkRectangle *rect)
 static cairo_surface_t *
 gdk_window_ref_impl_surface (GdkWindow *window)
 {
-  return GDK_WINDOW_IMPL_GET_CLASS (window->impl)->ref_cairo_surface (window);
+  return GDK_WINDOW_IMPL_GET_CLASS (window->impl)->ref_cairo_surface (gdk_window_get_impl_window (window));
 }
 
 static cairo_t *