From 38568ce66bd05cdb14db841df81bea96211da22a Mon Sep 17 00:00:00 2001
From: Chase Cooper <chase@cooperfam.us>
Date: Sat, 25 Apr 2026 13:08:46 -0400
Subject: [PATCH] Fix autosave thread compression TLS crash.

---
 Minecraft.World/ConsoleSaveFileOriginal.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Minecraft.World/ConsoleSaveFileOriginal.cpp b/Minecraft.World/ConsoleSaveFileOriginal.cpp
index 8d6571b22..3814281bc 100644
--- a/Minecraft.World/ConsoleSaveFileOriginal.cpp
+++ b/Minecraft.World/ConsoleSaveFileOriginal.cpp
@@ -731,6 +731,7 @@ void ConsoleSaveFileOriginal::Flush(bool autosave, bool updateThumbnail )
 		s_bgSaveActive.store(true, std::memory_order_release);
 
 		std::thread([snap, fileSize, thumb, thumbSz, meta, metaLen, this]() {
+			Compression::UseDefaultThreadStorage();
 			unsigned int compLen = fileSize + 8;
 			byte *buf = static_cast<byte *>(StorageManager.AllocateSaveData(compLen));
 			if (!buf)