diff --git a/testbed/main.cpp b/testbed/main.cpp
index c6047ea..05515d6 100644
--- a/testbed/main.cpp
+++ b/testbed/main.cpp
@@ -5,7 +5,11 @@ class Testbed : public sophia::Application {
  public:
   Testbed() : Application{{.width = 750, .height = 1000, .name = "Testbed"}} {}
 
-  void onCreate() override { std::cout << "Testbed created" << std::endl; }
+  void onCreate() override {
+    std::cout << "Testbed created" << std::endl;
+
+    debugUI().show();
+  }
 
   void onUpdate(const sophia::FrameInfo& frameInfo) override {}
 };