diff --git a/README.md b/README.md
index 7ebecf7..a90c049 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Features:
 - [x] Small window on your menubar (or isolated window)
 - [x] Desktop notification
 - [x] Customizable shortcut keybinds
-- [ ] Multi-account
+- [ ] Multi-account (switching among accounts)
 
 Mastodon is an open source project. So if you want to make a new UI, you can just fork the project,
 implement your favorite UI and host it on your place. Then you can participate Mastodon networks from it.
diff --git a/main/app.ts b/main/app.ts
index 04a2c4e..2fb82b2 100644
--- a/main/app.ts
+++ b/main/app.ts
@@ -1,5 +1,5 @@
 import * as path from 'path';
-import {app, BrowserWindow, globalShortcut, Tray, shell} from 'electron';
+import {app, BrowserWindow, globalShortcut, Tray, shell, dialog} from 'electron';
 import windowState = require('electron-window-state');
 import * as menubar from 'menubar';
 import log from './log';
@@ -23,6 +23,7 @@ export class App {
     }
 
     open() {
+        this.win.loadURL(`https://${this.account.host}${this.account.default_page}`);
         this.win.webContents.on('will-navigate', (e, url) => {
             if (!url.startsWith(`https://${this.account.host}`)) {
                 e.preventDefault();
@@ -33,7 +34,23 @@ export class App {
             e.preventDefault();
             shell.openExternal(url);
         });
-        this.win.loadURL(`https://${this.account.host}${this.account.default_page}`);
+        this.win.webContents.session.setPermissionRequestHandler((contents, permission, callback) => {
+            if (permission !== 'geolocation' && permission !== 'media') {
+                // Granted
+                callback(true);
+                return;
+            }
+
+            dialog.showMessageBox({
+                type: 'question',
+                buttons: ['Accept', 'Reject'],
+                message: `Permission '${permission}' is requested by ${contents.getURL()}`,
+                detail: "Please choose one of 'Accept' or 'Reject'",
+            }, (buttonIndex: number) => {
+                const granted = buttonIndex === 0;
+                callback(granted);
+            });
+        });
         this.win.show();
     }
 }