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-rw-r--r--src/mod_muc/mod_muc_room.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mod_muc/mod_muc_room.erl b/src/mod_muc/mod_muc_room.erl
index 47e25cf7..0d83361b 100644
--- a/src/mod_muc/mod_muc_room.erl
+++ b/src/mod_muc/mod_muc_room.erl
@@ -1383,7 +1383,7 @@ add_message_to_history(FromNick, Packet, StateData) ->
jlib:jid_replace_resource(StateData#state.jid, FromNick),
StateData#state.jid,
TSPacket),
- Size = string:len(xml:element_to_string(SPacket)),
+ Size = lists:flatlength(xml:element_to_string(SPacket)),
Q1 = lqueue_in({FromNick, TSPacket, HaveSubject, TimeStamp, Size},
StateData#state.history),
StateData#state{history = Q1}.