diff --git a/osu.Game/Online/Chat/MessageNotifier.cs b/osu.Game/Online/Chat/MessageNotifier.cs
index ca6082e19b..fbc5ef79ef 100644
--- a/osu.Game/Online/Chat/MessageNotifier.cs
+++ b/osu.Game/Online/Chat/MessageNotifier.cs
@@ -77,7 +77,7 @@ private void checkNewMessages(IEnumerable<Message> messages)
             if (!messages.Any())
                 return;
 
-            var channel = channelManager.JoinedChannels.SingleOrDefault(c => c.Id == messages.First().ChannelId);
+            var channel = channelManager.JoinedChannels.SingleOrDefault(c => c.Id > 0 && c.Id == messages.First().ChannelId);
 
             if (channel == null)
                 return;