From 31d9b397441b8c239d4094022827b514aa6e3785 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20H=C3=B6rist?= <philipp@hoerist.com>
Date: Sat, 19 Jan 2019 21:35:58 +0100
Subject: [PATCH] Deal with stanza-id not added by a mam archive

Fixes #9550
---
 gajim/common/modules/message.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gajim/common/modules/message.py b/gajim/common/modules/message.py
index 016d69e1d..f7434ccac 100644
--- a/gajim/common/modules/message.py
+++ b/gajim/common/modules/message.py
@@ -331,6 +331,8 @@ class Message:
 
         if archive.bareMatch(properties.stanza_id.by):
             return properties.stanza_id.id, None
+        # stanza-id not added by the archive, ignore it.
+        return None, None
 
 
 class MessageReceivedEvent(NetworkIncomingEvent):