From 853987e3cab72dbc0769d82f74701369708a5089 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Sat, 19 Jun 2021 08:36:33 +0300
Subject: [PATCH] GramJs: Fix after releasing borrowed senders

---
 src/lib/gramjs/client/TelegramClient.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/gramjs/client/TelegramClient.js b/src/lib/gramjs/client/TelegramClient.js
index b2189665d..8617de5fb 100644
--- a/src/lib/gramjs/client/TelegramClient.js
+++ b/src/lib/gramjs/client/TelegramClient.js
@@ -227,7 +227,7 @@ class TelegramClient {
         await Promise.all(
             Object.values(this._borrowedSenderPromises)
                 .map((promise) => {
-                    return promise.then((sender) => {
+                    return promise && promise.then((sender) => {
                         if (sender) {
                             return sender.disconnect();
                         }