diff --git a/frontend/public/index.html b/frontend/public/index.html
index 90f623f..5ba10c9 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -17,7 +17,7 @@
     </script>
 
     <meta charset="utf-8" />
-    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <link rel="icon" href="/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
     <meta
diff --git a/frontend/src/serviceWorker.js b/frontend/src/serviceWorker.js
index abd596f..f63ccfc 100644
--- a/frontend/src/serviceWorker.js
+++ b/frontend/src/serviceWorker.js
@@ -58,7 +58,7 @@ export function register(config) {
 function registerValidSW(swUrl, config) {
   navigator.serviceWorker
     .register(swUrl)
-    .then(registration => {
+    .then((registration) => {
       registration.onupdatefound = () => {
         const installingWorker = registration.installing;
         if (installingWorker == null) {
@@ -94,7 +94,7 @@ function registerValidSW(swUrl, config) {
         };
       };
     })
-    .catch(error => {
+    .catch((error) => {
       console.error('Error during service worker registration:', error);
     });
 }
@@ -104,7 +104,7 @@ function checkValidServiceWorker(swUrl, config) {
   fetch(swUrl, {
     headers: { 'Service-Worker': 'script' },
   })
-    .then(response => {
+    .then((response) => {
       // Ensure service worker exists, and that we really are getting a JS file.
       const contentType = response.headers.get('content-type');
       if (
@@ -112,7 +112,7 @@ function checkValidServiceWorker(swUrl, config) {
         (contentType != null && contentType.indexOf('javascript') === -1)
       ) {
         // No service worker found. Probably a different app. Reload the page.
-        navigator.serviceWorker.ready.then(registration => {
+        navigator.serviceWorker.ready.then((registration) => {
           registration.unregister().then(() => {
             window.location.reload();
           });
@@ -132,10 +132,10 @@ function checkValidServiceWorker(swUrl, config) {
 export function unregister() {
   if ('serviceWorker' in navigator) {
     navigator.serviceWorker.ready
-      .then(registration => {
+      .then((registration) => {
         registration.unregister();
       })
-      .catch(error => {
+      .catch((error) => {
         console.error(error.message);
       });
   }