diff --git a/src/mod_muc/mod_muc_room.erl b/src/mod_muc/mod_muc_room.erl
index 461cd9660..39140d90e 100644
--- a/src/mod_muc/mod_muc_room.erl
+++ b/src/mod_muc/mod_muc_room.erl
@@ -3849,8 +3849,7 @@ check_decline_invitation(Packet) ->
 %% The original stanza must be slightly modified.
 send_decline_invitation({Packet, XEl, DEl = #xmlel{name='decline'}, ToJID}, 
                             RoomJID, FromJID) ->
-    FromString = exmpp_jid:to_binary(FromJID),
-
+    FromString = exmpp_jid:bare_to_binary(FromJID),
     DEl1 = exmpp_xml:remove_attribute(DEl, <<"to">>),
     DEl2 = exmpp_xml:set_attribute(DEl1, <<"from">>,FromString),
     XEl2 = replace_subelement(XEl,DEl2),