From a954b459b49bc84508399763dda1553a703c3ee0 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 21 Feb 2020 11:11:27 +0400
Subject: [PATCH] Fix crash on reading in support mode.

---
 Telegram/SourceFiles/data/data_histories.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/data/data_histories.cpp b/Telegram/SourceFiles/data/data_histories.cpp
index f3516d2ca0..d788229652 100644
--- a/Telegram/SourceFiles/data/data_histories.cpp
+++ b/Telegram/SourceFiles/data/data_histories.cpp
@@ -190,7 +190,9 @@ void Histories::readClientSideMessage(not_null<HistoryItem*> item) {
 
 void Histories::sendPendingReadInbox(not_null<History*> history) {
 	if (const auto state = lookup(history)) {
-		if (state->readTill && state->readWhen) {
+		if (state->readTill
+			&& state->readWhen
+			&& state->readWhen != kReadRequestSent) {
 			state->readWhen = 0;
 			sendReadRequests();
 		}