diff --git a/extensions/embed/js/forum/src/main.js b/extensions/embed/js/forum/src/main.js
index 95ee565a9..72b5a05c4 100644
--- a/extensions/embed/js/forum/src/main.js
+++ b/extensions/embed/js/forum/src/main.js
@@ -80,4 +80,14 @@ app.initializers.replace('boot', () => {
     basePath + '/',
     mapRoutes(app.routes, basePath)
   );
+
+  // Initialize FastClick, which makes links and buttons much more responsive on
+  // touch devices.
+  $(() => {
+    FastClick.attach(document.body);
+
+    $('body').addClass('ontouchstart' in window ? 'touch' : 'no-touch');
+  });
+
+  app.booted = true;
 });