From 51189fd2447d0635ed1b999f53068b082c405b3a Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 22 Jun 2018 15:36:41 +0100
Subject: [PATCH] Fix empty chats assertion violation.

---
 Telegram/SourceFiles/export/output/export_output_text.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Telegram/SourceFiles/export/output/export_output_text.cpp b/Telegram/SourceFiles/export/output/export_output_text.cpp
index cf9002f00..b35bcb851 100644
--- a/Telegram/SourceFiles/export/output/export_output_text.cpp
+++ b/Telegram/SourceFiles/export/output/export_output_text.cpp
@@ -869,9 +869,9 @@ Result TextWriter::writeChatEnd() {
 }
 
 Result TextWriter::writeChatsEnd() {
-	Expects(_chats != nullptr);
-
-	_chats = nullptr;
+	if (_chats) {
+		_chats = nullptr;
+	}
 	return Result::Success();
 }