diff --git a/index.html b/index.html
index 7196450..6cb3cf4 100644
--- a/index.html
+++ b/index.html
@@ -19,7 +19,7 @@
     <!-- End ignore these -->
 
     <!-- Optional includes -->
-    <!-- <script src="https://cdn.polyfill.io/v2/polyfill.js?features=es5,fetch,Element.prototype.classList,requestAnimationFrame,Node.insertBefore,Node.firstChild"></script> -->
+    <script src="https://cdn.polyfill.io/v2/polyfill.js?features=es5,fetch,Element.prototype.classList,requestAnimationFrame,Node.insertBefore,Node.firstChild"></script>
     <!-- End optional includes -->
 
     <!-- Choices includes -->