diff --git a/samples/02_PlatfformerStarterKit/extensions.hpp b/samples/02_PlatfformerStarterKit/extensions.hpp
index d578bd4..789b478 100644
--- a/samples/02_PlatfformerStarterKit/extensions.hpp
+++ b/samples/02_PlatfformerStarterKit/extensions.hpp
@@ -1,7 +1,7 @@
 #ifndef PLATFORMSTARTERKIT_EXTENSIONS_HPP
 #define PLATFORMSTARTERKIT_EXTENSIONS_HPP
 
-#include "xna/xna.hpp"
+#include "headers.hpp"
 
 namespace PlatformerStarterKit {
 	struct RectangleExtensions {