diff --git a/private/sdl_gpu_test/6_ui/app.cpp b/private/sdl_gpu_test/6_ui/app.cpp
index e87751b..f27e7d7 100644
--- a/private/sdl_gpu_test/6_ui/app.cpp
+++ b/private/sdl_gpu_test/6_ui/app.cpp
@@ -95,7 +95,7 @@ void UIApp::update(const AppUpdateArgs& args)
     Application::update(args);
 
     processInput(args);
-    mLabel->setText(std::format("Rotation: {}{}\n$rUI vertices: $f00{}", mRotation > 180.f ? "$00f": "$fff" , mRotation, mNumVertices));
+    mLabel->setText(std::format("Rotation: {}{}\n$rUI vertices: $f8c{}", mRotation > 180.f ? "$8cf": "$fff" , mRotation, mUIRenderer.getNumVertices()));
     mWidgetTree.revalidateWidgets();
 
     // begin rendering
diff --git a/private/sdl_gpu_test/gui/ui_renderer.hpp b/private/sdl_gpu_test/gui/ui_renderer.hpp
index 4927cc7..1be0512 100644
--- a/private/sdl_gpu_test/gui/ui_renderer.hpp
+++ b/private/sdl_gpu_test/gui/ui_renderer.hpp
@@ -82,6 +82,9 @@ private:
     bool mVerticesDirty = true;
     std::size_t mVertexBufferSize = 0;
 public:
+    [[nodiscard]]
+    std::size_t getNumVertices() const noexcept { return mVertices.size(); }
+
     void init(Application& application);
     void render(const UIRendererRenderArgs& args);