diff --git a/app/services/platform-apps/api/modules/authorization.ts b/app/services/platform-apps/api/modules/authorization.ts
index 5b686cdba505..763a97c4de30 100644
--- a/app/services/platform-apps/api/modules/authorization.ts
+++ b/app/services/platform-apps/api/modules/authorization.ts
@@ -67,9 +67,10 @@ export class AuthorizationModule extends Module {
       win.webContents.openDevTools({ mode: 'detach' });
     }
 
-    win.webContents.session.protocol.registerFileProtocol('slobs-oauth', req => {
+    win.webContents.session.protocol.handle('slobs-oauth', req => {
       eventHandler({ type: EAuthWindowEventType.AuthRedirect, url: req.url });
       win.close();
+      return new Response();
     });
 
     win.on('closed', () => {
diff --git a/updater/bundle-updater.ts b/updater/bundle-updater.ts
index 81653dd81b5a..d3138513eb25 100644
--- a/updater/bundle-updater.ts
+++ b/updater/bundle-updater.ts
@@ -405,17 +405,16 @@ module.exports = async (basePath: string) => {
     e.returnValue = bundleNames;
   });
 
-  electron.session.defaultSession?.protocol.registerFileProtocol('slbundle', (request, cb) => {
+  electron.session.defaultSession?.protocol.handle('slbundle', request => {
     const url = new URL(request.url);
     const bundleName = url.pathname.replace('/', '') as TBundleName;
 
     if (!useLocalBundles && bundlePathsMap[bundleName]) {
-      cb({ path: bundlePathsMap[bundleName] });
-      return;
+      return electron.net.fetch(bundlePathsMap[bundleName]);
     }
 
     console.log(`Using local bundle for ${bundleName}`);
-    cb({ path: path.join(localBase, localManifest[bundleName]) });
+    return electron.net.fetch(path.join(localBase, localManifest[bundleName]));
   });
 
   // Use a local web server to serve source maps in development.