diff --git a/app/Application.js b/app/Application.js
index 0aebaa06..6c978fc5 100644
--- a/app/Application.js
+++ b/app/Application.js
@@ -148,6 +148,9 @@ Ext.define('Rambox.Application', {
 			this.checkUpdate(true);
 		}
 
+		// Define default value
+		if ( localStorage.getItem('dontDisturb') === null ) localStorage.setItem('dontDisturb', false);
+
 		if ( localStorage.getItem('locked') ) {
 			console.info('Lock Rambox:', 'Enabled');
 			Ext.cq1('app-main').getController().showLockWindow();
diff --git a/app/ux/WebView.js b/app/ux/WebView.js
index 9605885e..9459490d 100644
--- a/app/ux/WebView.js
+++ b/app/ux/WebView.js
@@ -153,6 +153,9 @@ Ext.define('Rambox.ux.WebView',{
 		// Google Analytics Event
 		ga_storage._trackEvent('Services', 'load', me.type, 1, true);
 
+		// Notifications in Webview
+		me.setNotifications(localStorage.getItem('locked') || JSON.parse(localStorage.getItem('dontDisturb')) ? false : me.record.get('notifications'));
+
 		// Show and hide spinner when is loading
 		webview.addEventListener("did-start-loading", function() {
 			console.info('Start loading...', me.src);
@@ -192,15 +195,7 @@ Ext.define('Rambox.ux.WebView',{
 
 		webview.addEventListener("dom-ready", function(e) {
 			// Mute Webview
-			if ( me.muted || localStorage.getItem('locked') ) me.setAudioMuted(true);
-
-			// Notifications in Webview
-			webview.executeJavaScript('var originalNotification = Notification;');
-			if ( me.notifications ) {
-				me.setNotifications(me.notifications);
-			} else if ( localStorage.getItem('locked') ) {
-				me.setNotifications(false);
-			}
+			if ( me.record.get('muted') || localStorage.getItem('locked') || JSON.parse(localStorage.getItem('dontDisturb')) ) me.setAudioMuted(true);
 
 			// Injected code to detect new messages
 			if ( me.record ) {
@@ -290,19 +285,13 @@ Ext.define('Rambox.ux.WebView',{
 		var me = this;
 		var webview = me.down('component').el.dom;
 
-		if ( !notification ) {
-			webview.executeJavaScript('(function() { Notification = function() { } })();');
-		} else {
-			webview.executeJavaScript('(function() { Notification = originalNotification })();');
-		}
+		ipc.send('setServiceNotifications', webview.partition, notification);
 	}
 
 	,setOffline: function(btn, e) {
 		var me = this;
 		var webview = me.down('component').el.dom;
 
-		console.log(btn, e);
-
 		console.info(me.type, 'Going '+ (!btn.offline ? 'offline' : 'online') + '...');
 
 		webview.getWebContents().session.setProxy({ proxyRules: !btn.offline ? 'offline' : '' }, Ext.emptyFn);
diff --git a/app/view/main/Main.js b/app/view/main/Main.js
index c86e1e4d..4ab3a4f0 100644
--- a/app/view/main/Main.js
+++ b/app/view/main/Main.js
@@ -214,12 +214,13 @@ Ext.define('Rambox.view.main.Main', {
 				,items: [
 					{
 						 glyph: 'xf1f7@FontAwesome'
-						,text: 'Don\'t Disturb: OFF'
+						,text: 'Don\'t Disturb: '+(JSON.parse(localStorage.getItem('dontDisturb')) ? 'ON' : 'OFF')
 						,tooltip: 'Disable notifications and sounds in all services. Perfect to be concentrated and focused.<br/><b>Shortcut key: F1</b>'
 						,enableToggle: true
 						,handler: 'dontDisturb'
 						,reference: 'disturbBtn'
 						,id: 'disturbBtn'
+						,pressed: JSON.parse(localStorage.getItem('dontDisturb'))
 					}
 					,{
 						 glyph: 'xf023@FontAwesome'
diff --git a/app/view/main/MainController.js b/app/view/main/MainController.js
index a6df1d09..3efe7643 100644
--- a/app/view/main/MainController.js
+++ b/app/view/main/MainController.js
@@ -797,13 +797,11 @@ Ext.define('Rambox.view.main.MainController', {
 			tab.setAudioMuted(btn.pressed);
 
 			// Prevent Notifications
-			if ( btn.pressed ) {
-				tab.down('component').el.dom.getWebContents().executeJavaScript('var originalNotification = Notification; (function() { Notification = function() { } })();');
-			} else {
-				tab.down('component').el.dom.getWebContents().executeJavaScript('(function() { Notification = originalNotification })();');
-			}
+			tab.setNotifications(!btn.pressed);
 		});
 
+		localStorage.setItem('dontDisturb', btn.pressed);
+
 		btn.setText('Don\'t Disturb: ' + ( btn.pressed ? 'ON' : 'OFF' ));
 
 		// If this method is called from Lock method, prevent showing toast
diff --git a/electron/main.js b/electron/main.js
index c27663d9..73dc0903 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const {app, protocol, BrowserWindow, dialog, shell, Menu, ipcMain, nativeImage} = require('electron');
+const {app, protocol, BrowserWindow, dialog, shell, Menu, ipcMain, nativeImage, session} = require('electron');
 // Menu
 const appMenu = require('./menu');
 // Tray
@@ -237,6 +237,14 @@ ipcMain.on('setConfig', function(event, values) {
 	values.auto_launch ? appLauncher.enable() : appLauncher.disable();
 });
 
+// Handle Service Notifications
+ipcMain.on('setServiceNotifications', function(event, partition, op) {
+	session.fromPartition(partition).setPermissionRequestHandler(function(webContents, permission, callback) {
+		if (permission === 'notifications') return callback(op);
+		callback(true)
+	});
+});
+
 const shouldQuit = app.makeSingleInstance((commandLine, workingDirectory) => {
 	// Someone tried to run a second instance, we should focus our window.
 	if (mainWindow) {