From 82ee8713f509e52fbc006a25fb3f0f1361a79583 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 15 Sep 2026 13:52:36 +0200
Subject: [PATCH] Fix missing mutex lock in Game Cooker thread

#4170 #4181
---
 Source/Editor/Cooker/GameCooker.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/Editor/Cooker/GameCooker.cpp b/Source/Editor/Cooker/GameCooker.cpp
index 969e71b71..3c2dad82d 100644
--- a/Source/Editor/Cooker/GameCooker.cpp
+++ b/Source/Editor/Cooker/GameCooker.cpp
@@ -802,7 +802,9 @@ int32 GameCookerImpl::ThreadFunction()
             Build();
         }
 
+        mutex.Lock();
         ThreadCond.Wait(mutex);
+        mutex.Unlock();
     }
 
     IsThreadRunning = false;