diff --git a/implementations/Crafter.Graphics-Window.cpp b/implementations/Crafter.Graphics-Window.cpp
index 0cbd526..7020a86 100644
--- a/implementations/Crafter.Graphics-Window.cpp
+++ b/implementations/Crafter.Graphics-Window.cpp
@@ -590,10 +590,12 @@ void Window::StopUpdate() {
     updating = false;
 }
 
+std::chrono::time_point<std::chrono::high_resolution_clock> startTime;
+
 void Window::Update() {
-    auto start = std::chrono::high_resolution_clock::now();
+    startTime = std::chrono::high_resolution_clock::now();
 	#ifdef CRAFTER_TIMING
-	vblank = duration_cast<std::chrono::milliseconds>(start - frameEnd);
+	vblank = duration_cast<std::chrono::milliseconds>(startTime - frameEnd);
 	#endif
 
     #ifdef CRAFTER_TIMING
@@ -616,7 +618,7 @@ void Window::Update() {
 		frameTimes.erase(frameTimes.begin());
 	}
 	#endif
-	lastFrameBegin = start;
+	lastFrameBegin = startTime;
 }
 
 void Window::Render() {
@@ -662,7 +664,7 @@ void Window::Render() {
 
     vkCmdPipelineBarrier(drawCmdBuffers[currentBuffer], VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, VK_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR, 0, 0, nullptr, 0, nullptr, 1, &image_memory_barrier);
 
-    onUpdate.Invoke({start, start-lastFrameBegin});
+    onUpdate.Invoke({startTime, startTime-lastFrameBegin});
     #ifdef CRAFTER_TIMING
     totalUpdate = std::chrono::nanoseconds(0);
     updateTimings.clear();