diff --git a/client/TracyProfiler.cpp b/client/TracyProfiler.cpp
index 2406150c..ac3994cf 100644
--- a/client/TracyProfiler.cpp
+++ b/client/TracyProfiler.cpp
@@ -201,6 +201,7 @@ Profiler::Profiler()
 #ifdef TRACY_ON_DEMAND
     , m_isConnected( false )
     , m_frameCount( 0 )
+    , m_deferredQueue( 64*1024 )
 #endif
 {
     assert( !s_instance );
diff --git a/client/TracyProfiler.hpp b/client/TracyProfiler.hpp
index f396378d..06963f2d 100644
--- a/client/TracyProfiler.hpp
+++ b/client/TracyProfiler.hpp
@@ -396,6 +396,9 @@ private:
 #ifdef TRACY_ON_DEMAND
     std::atomic<bool> m_isConnected;
     std::atomic<uint64_t> m_frameCount;
+
+    NonRecursiveBenaphore m_deferredLock;
+    FastVector<QueueItem> m_deferredQueue;
 #endif
 };