From a7090c5fbaf2d47216ab99f9bb0a3331ea2d6daf Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 7 Nov 2023 08:35:35 +0400
Subject: [PATCH] Fix possible crash in topic replies.

---
 Telegram/SourceFiles/history/history_item.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Telegram/SourceFiles/history/history_item.cpp b/Telegram/SourceFiles/history/history_item.cpp
index 18235872c..1bd5d52c2 100644
--- a/Telegram/SourceFiles/history/history_item.cpp
+++ b/Telegram/SourceFiles/history/history_item.cpp
@@ -3355,6 +3355,7 @@ void HistoryItem::createComponentsHelper(
 			: nullptr;
 		if (!config.reply.externalPeerId
 			&& topic
+			&& to
 			&& topic->rootId() != to->topicRootId()) {
 			config.reply.externalPeerId = replyTo.messageId.peer;
 		}