diff --git a/www/js/app.js b/www/js/app.js
index b3fe577a0..8b3ee5466 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -834,10 +834,10 @@ function initServiceWorkerMessaging () {
         }
     };
     // Send the init message to the ServiceWorker
-        if (navigator.serviceWorker.controller) {
+    if (navigator.serviceWorker.controller) {
         console.log('Initializing SW messaging...');
-            navigator.serviceWorker.controller.postMessage({
-                action: 'init'
+        navigator.serviceWorker.controller.postMessage({
+            action: 'init'
         });
     } else if (serviceWorkerRegistration) {
         // If this is the first time we are initiating the SW, allow Promises to complete by delaying potential reload till next tick
@@ -848,9 +848,9 @@ function initServiceWorkerMessaging () {
         console.error('The Service Worker is not controlling the current page! We have to reload.');
         // Turn off failsafe, as this is a controlled reboot
         settingsStore.setItem('lastPageLoad', 'rebooting', Infinity);
-            window.location.reload();
-        }
+        window.location.reload();
     }
+}
 
 /**
  * Sets the given injection mode.
@@ -907,7 +907,7 @@ function setContentInjectionMode (value) {
         // We should empty it and turn it off to prevent unnecessary space usage
         if ('caches' in window && isMessageChannelAvailable()) {
             if (isServiceWorkerAvailable() && navigator.serviceWorker.controller) {
-            var channel = new MessageChannel();
+                var channel = new MessageChannel();
                 navigator.serviceWorker.controller.postMessage({
                     action: { assetsCache: 'disable' }
                 }, [channel.port2]);
@@ -1301,7 +1301,7 @@ function setLocalArchiveFromArchiveList () {
 function resetCssCache () {
     // Reset the cssCache if an archive is loaded
     if (selectedArchive) selectedArchive.cssCache = new Map();
-    }
+}
 
 let webKitFileList = null
 
@@ -1349,7 +1349,7 @@ function displayFileSelect () {
         localStorage.setItem('previousZimFileName', e.target.value);
         if (params.isFileSystemApiSupported) {
             return abstractFilesystemAccess.getSelectedZimFromCache(e.target.value).then(function (files) {
-            setLocalArchiveFromFileList(files);
+                setLocalArchiveFromFileList(files);
             }).catch(function (err) {
                 console.error(err);
                 return uiUtil.systemAlert(translateUI.t('dialog-fielhandle-fail-message') || 'We were unable to retrieve a file handle for the selected archive. Please pick the file or folder again.',
@@ -1884,30 +1884,30 @@ function readArticle (dirEntry) {
  * @param {Event} event The event object of the message channel
  */
 function handleMessageChannelMessage (event) {
-        // We received a message from the ServiceWorker
-            // The ServiceWorker asks for some content
-            var title = event.data.title;
-            var messagePort = event.ports[0];
-            var readFile = function (dirEntry) {
-                if (dirEntry === null) {
-                    console.error('Title ' + title + ' not found in archive.');
-                    messagePort.postMessage({ action: 'giveContent', title: title, content: '' });
-                } else if (dirEntry.isRedirect) {
-                    var redirectPath = dirEntry.redirectPath;
-                    // Ask the ServiceWorker to send an HTTP redirect to the browser.
-                    // We could send the final content directly, but it is necessary to let the browser know in which directory it ends up.
-                    // Else, if the redirect URL is in a different directory than the original URL,
-                    // the relative links in the HTML content would fail. See #312
-                    messagePort.postMessage({ action: 'sendRedirect', title: title, redirectUrl: redirectPath });
-                } else {
-                    var message = { action: 'giveContent', title: title, content: dirEntry.content, mimetype: dirEntry.mimetype };
-                    messagePort.postMessage(message);
-                }
-            };
-            selectedArchive.callLibzimWorker({ action: 'getEntryByPath', path: title, follow: false }).then(readFile).catch(function () {
-                messagePort.postMessage({ action: 'giveContent', title: title, content: new Uint8Array() });
-            });
+    // We received a message from the ServiceWorker
+    // The ServiceWorker asks for some content
+    var title = event.data.title;
+    var messagePort = event.ports[0];
+    var readFile = function (dirEntry) {
+        if (dirEntry === null) {
+            console.error('Title ' + title + ' not found in archive.');
+            messagePort.postMessage({ action: 'giveContent', title: title, content: '' });
+        } else if (dirEntry.isRedirect) {
+            var redirectPath = dirEntry.redirectPath;
+            // Ask the ServiceWorker to send an HTTP redirect to the browser.
+            // We could send the final content directly, but it is necessary to let the browser know in which directory it ends up.
+            // Else, if the redirect URL is in a different directory than the original URL,
+            // the relative links in the HTML content would fail. See #312
+            messagePort.postMessage({ action: 'sendRedirect', title: title, redirectUrl: redirectPath });
+        } else {
+            var message = { action: 'giveContent', title: title, content: dirEntry.content, mimetype: dirEntry.mimetype };
+            messagePort.postMessage(message);
         }
+    };
+    selectedArchive.callLibzimWorker({ action: 'getEntryByPath', path: title, follow: false }).then(readFile).catch(function () {
+        messagePort.postMessage({ action: 'giveContent', title: title, content: new Uint8Array() });
+    });
+}
 
 // Compile some regular expressions needed to modify links
 // Pattern to find a ZIM URL (with its namespace) - see https://wiki.openzim.org/wiki/ZIM_file_format#Namespaces