diff --git a/index.html b/index.html
index 9eedb51..acecda1 100644
--- a/index.html
+++ b/index.html
@@ -371,6 +371,11 @@ <h3>Examples</h3>
   const model = await ModelLoader.loadModelUrl(url);
   _setLocalModel(model);
 })();
+
+window.addEventListener('resize', e => {
+  camera.aspect = window.innerWidth / window.innerHeight;
+  camera.updateProjectionMatrix();
+});
     </script>
   </body>
 </html>