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();
 		}