diff --git a/src/main.cpp b/src/main.cpp
index 5967653..e08dde1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -22,7 +22,7 @@ constexpr bool enableValidationLayers = false;
 constexpr bool enableValidationLayers = true;
 #endif
 
-class HelloTriangleApplication {
+class VulkanApp {
  public:
   void run() {
     initWindow();
@@ -144,13 +144,14 @@ class HelloTriangleApplication {
     glfwExtensions                  = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
 
     std::vector<const char*> extensions;
+
     if (glfwExtensions) {
       std::span<const char*> extSpan(glfwExtensions, glfwExtensionCount);
       extensions.assign(extSpan.begin(), extSpan.end());
     }
 
     if (enableValidationLayers)
-      extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
+      extensions.push_back("VK_EXT_debug_utils");
 
     return extensions;
   }
@@ -168,7 +169,7 @@ class HelloTriangleApplication {
 };
 
 fn main() -> i32 {
-  HelloTriangleApplication app;
+  VulkanApp app;
 
   try {
     app.run();