diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 367bee8..f58f543 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -125,8 +125,10 @@
 }
 
 void RenderEngineThreaded::waitUntilInitialized() const {
-    std::unique_lock<std::mutex> lock(mInitializedMutex);
-    mInitializedCondition.wait(lock, [=] { return mIsInitialized; });
+    if (!mIsInitialized) {
+        std::unique_lock<std::mutex> lock(mInitializedMutex);
+        mInitializedCondition.wait(lock, [this] { return mIsInitialized.load(); });
+    }
 }
 
 std::future<void> RenderEngineThreaded::primeCache(bool shouldPrimeUltraHDR) {
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 74af2bd..3f1e67f 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -97,7 +97,7 @@
 
     // Used to allow select thread safe methods to be accessed without requiring the
     // method to be invoked on the RenderEngine thread
-    bool mIsInitialized = false;
+    std::atomic_bool mIsInitialized = false;
     mutable std::mutex mInitializedMutex;
     mutable std::condition_variable mInitializedCondition;