diff --git a/modules/refreshless_turbo/js/progress_bar.js b/modules/refreshless_turbo/js/progress_bar.js
index 30ec5d988f1018bb51b2ee8e7a19a2285b43faea..deed8be302fc45f3ceb672aa748b5c17931c6f27 100644
--- a/modules/refreshless_turbo/js/progress_bar.js
+++ b/modules/refreshless_turbo/js/progress_bar.js
@@ -20,9 +20,7 @@
   // Note that this intentionally listens to the fetch request event rather than
   // turbo:click so that the progress bar also kicks in during back/forward
   // history navigation.
-  html.addEventListener('turbo:before-fetch-request', function(event) {
-
-    // console.debug(event.target);
+  html.addEventListener('turbo:before-fetch-request', (event) => {
 
     if (
       // Ignore prefetch requests.