diff --git a/ui/vnc.c b/ui/vnc.c
index 1ed1c7efc6..3ccd33dedc 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1354,12 +1354,12 @@ void vnc_disconnect_finish(VncState *vs)
         /* last client gone */
         vnc_update_server_surface(vs->vd);
     }
+    vnc_unlock_output(vs);
+
     if (vs->cbpeer.notifier.notify) {
         qemu_clipboard_peer_unregister(&vs->cbpeer);
     }
 
-    vnc_unlock_output(vs);
-
     qemu_mutex_destroy(&vs->output_mutex);
     if (vs->bh != NULL) {
         qemu_bh_delete(vs->bh);