From 455c7280a406ca0985c04799c20c44a24e4ce4b9 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Fri, 8 Oct 2021 19:10:39 +0300
Subject: [PATCH] Fixed possible crash in scroll of empty HistoryWidget.

---
 Telegram/SourceFiles/history/history_widget.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/history/history_widget.cpp b/Telegram/SourceFiles/history/history_widget.cpp
index 13efe5da9..7d2ec62e8 100644
--- a/Telegram/SourceFiles/history/history_widget.cpp
+++ b/Telegram/SourceFiles/history/history_widget.cpp
@@ -264,7 +264,8 @@ HistoryWidget::HistoryWidget(
 	}), lifetime());
 	_scroll->addContentRequests(
 	) | rpl::start_with_next([=] {
-		if (_history->loadedAtBottom()
+		if (_history
+			&& _history->loadedAtBottom()
 			&& session().data().sponsoredMessages().append(_history)) {
 			_scroll->contentAdded();
 		}