From 92fa05cb069599cecf603a3f10a5fd001e645c1d Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Thu, 25 Mar 2021 19:40:17 +0200
Subject: [PATCH] Fix handling forwarded messages from known chats without a
 cached title

---
 mautrix_telegram/formatter/from_telegram.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mautrix_telegram/formatter/from_telegram.py b/mautrix_telegram/formatter/from_telegram.py
index 3539e8e5..393f5d2d 100644
--- a/mautrix_telegram/formatter/from_telegram.py
+++ b/mautrix_telegram/formatter/from_telegram.py
@@ -87,7 +87,7 @@ async def _add_forward_header(source: 'AbstractUser', content: TextMessageEventC
         from_id = (fwd_from.from_id.chat_id if isinstance(fwd_from.from_id, PeerChat)
                    else fwd_from.from_id.channel_id)
         portal = po.Portal.get_by_tgid(TelegramID(from_id))
-        if portal:
+        if portal and portal.title:
             fwd_from_text = portal.title
             if portal.alias:
                 fwd_from_html = (f"<a href='https://matrix.to/#/{portal.alias}'>"