diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 2683073d09..b7e6a13386 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -7805,7 +7805,8 @@ update_cursor (GdkDisplay *display,
    * which native window has what cursor set. */
   toplevel = get_event_toplevel (pointer_window);
   impl_class = GDK_WINDOW_IMPL_GET_CLASS (toplevel->impl);
-  impl_class->set_device_cursor (toplevel, device, cursor);
+  if (impl_class->set_device_cursor)
+    impl_class->set_device_cursor (toplevel, device, cursor);
 }
 
 static gboolean