From b556f176487b8b16aa558e2d2a54974b4cf7b7b4 Mon Sep 17 00:00:00 2001
From: bi4k8 <bi4k8@github>
Date: Mon, 28 Nov 2022 19:23:23 +0000
Subject: [PATCH] x11: early-return from use_xdbe_setting::set_up if X11 not
 initialized

---
 src/x11.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/x11.cc b/src/x11.cc
index dd85531a..a3573327 100644
--- a/src/x11.cc
+++ b/src/x11.cc
@@ -94,7 +94,7 @@ void out_to_x_setting::cleanup(lua::state &l) {
 #ifdef BUILD_XDBE
 bool use_xdbe_setting::set_up(lua::state &l) {
   // double_buffer makes no sense when not drawing to X
-  if (!out_to_x.get(l)) { return false; }
+  if (!out_to_x.get(l) || !display || !window.window) { return false; }
 
   int major, minor;