diff --git a/app/js/lib/mtproto_wrapper.js b/app/js/lib/mtproto_wrapper.js
index 27e164cc..374dec9d 100644
--- a/app/js/lib/mtproto_wrapper.js
+++ b/app/js/lib/mtproto_wrapper.js
@@ -7,7 +7,7 @@
 
 angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
 
-  .factory('MtpApiManager', function (Storage, MtpAuthorizer, MtpNetworkerFactory, MtpSingleInstanceService, AppRuntimeManager, ErrorService, qSync, $rootScope, $q, TelegramMeWebService) {
+  .factory('MtpApiManager', function (Storage, MtpAuthorizer, MtpNetworkerFactory, MtpSingleInstanceService, AppRuntimeManager, ErrorService, qSync, $rootScope, $q, WebPushApiManager, TelegramMeWebService) {
     var cachedNetworkers = {}
     var cachedUploadNetworkers = {}
     var cachedExportPromise = {}
@@ -47,11 +47,12 @@ angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
       for (var dcID = 1; dcID <= 5; dcID++) {
         storageKeys.push('dc' + dcID + '_auth_key')
       }
+      WebPushApiManager.forceUnsubscribe()
       return Storage.get(storageKeys).then(function (storageResult) {
         var logoutPromises = []
         for (var i = 0; i < storageResult.length; i++) {
           if (storageResult[i]) {
-            logoutPromises.push(mtpInvokeApi('auth.logOut', {}, {dcID: i + 1}))
+            logoutPromises.push(mtpInvokeApi('auth.logOut', {}, {dcID: i + 1, ignoreErrors: true}))
           }
         }
         return $q.all(logoutPromises).then(function () {
@@ -156,6 +157,9 @@ angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
             error = {message: error}
           }
           deferred.reject(error)
+          if (options.ignoreErrors) {
+            return
+          }
 
           if (error.code == 406) {
             error.handled = true
diff --git a/app/js/lib/ng_utils.js b/app/js/lib/ng_utils.js
index 481dd0c5..0df4257b 100755
--- a/app/js/lib/ng_utils.js
+++ b/app/js/lib/ng_utils.js
@@ -2083,6 +2083,29 @@ angular.module('izhukov.utils', [])
       })
     }
 
+    function forceUnsubscribe() {
+      if (!isAvailable) {
+        return
+      }
+      navigator.serviceWorker.ready.then(function(reg) {
+        reg.pushManager.getSubscription().then(function (subscription) {
+          console.warn('force unsubscribe', subscription)
+          if (subscription) {
+            subscription.unsubscribe().then(function(successful) {
+              console.warn('force unsubscribe successful', successful)
+              isPushEnabled = false
+            }).catch(function(e) {
+              console.error('Unsubscription error: ', e)
+            })
+          }
+
+        }).catch(function(e) {
+          console.error('Error thrown while unsubscribing from ' +
+            'push messaging.', e)
+        })
+      })
+    }
+
     function isAliveNotify() {
       if (!isAvailable ||
           $rootScope.idle && $rootScope.idle.deactivated) {
@@ -2176,6 +2199,7 @@ angular.module('izhukov.utils', [])
       isPushEnabled: isPushEnabled,
       subscribe: subscribe,
       unsubscribe: unsubscribe,
+      forceUnsubscribe: forceUnsubscribe,
       hidePushNotifications: hidePushNotifications,
       setLocalNotificationsDisabled: setLocalNotificationsDisabled,
       setSettings: setSettings