From 7e12b5ff0f531a62197c6d5f53896270261c60ae Mon Sep 17 00:00:00 2001
From: Peter Nelson <peter1138@openttd.org>
Date: Wed, 22 May 2024 18:06:34 +0100
Subject: [PATCH] Fix: Crash if interface scale or font size changes with chat
 box present. (#12705)

Caused by the chat box being undrawn with the new dimensions, leading to out-of-bounding memory access.
---
 src/window.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/window.cpp b/src/window.cpp
index 142ba017e8..6a5a2eee34 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -3330,6 +3330,7 @@ void ReInitAllWindows(bool zoom_changed)
 		ReInitWindow(w, zoom_changed);
 	}
 
+	if (_networking) NetworkUndrawChatMessage();
 	NetworkReInitChatBoxSize();
 
 	/* Make sure essential parts of all windows are visible */