From a08436ecd2899a069947db86e3ef888e7efe36a5 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 5 Jun 2025 11:04:23 +0400
Subject: [PATCH] Fix unread counters in filters with monoforums.

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

diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
index a1731627a6..40ba51d43e 100644
--- a/Telegram/SourceFiles/history/history.cpp
+++ b/Telegram/SourceFiles/history/history.cpp
@@ -2334,6 +2334,9 @@ History *History::migrateSibling() const {
 Dialogs::UnreadState History::chatListUnreadState() const {
 	if (const auto forum = peer->forum()) {
 		return AdjustedForumUnreadState(forum->topicsList()->unreadState());
+	} else if (const auto monoforum = peer->monoforum()) {
+		return AdjustedForumUnreadState(
+			monoforum->chatsList()->unreadState());
 	}
 	return computeUnreadState();
 }