diff -r 1cda333286e0 -r 831416764d2d gameServer/HWProtoInRoomState.hs
--- a/gameServer/HWProtoInRoomState.hs	Sun Apr 22 18:38:34 2012 +0200
+++ b/gameServer/HWProtoInRoomState.hs	Sun Apr 22 21:23:32 2012 +0400
@@ -278,6 +278,8 @@
     where
         engineMsg cl = toEngineMsg $ B.concat ["b", nick cl, "(team): ", msg, "\x20\x20"]
 
+handleCmd_inRoom ["LIST"] = return [] -- for old clients (<= 0.9.17)
+
 handleCmd_inRoom (s:_) = return [ProtocolError $ "Incorrect command '" `B.append` s `B.append` "' (state: in room)"]
 
 handleCmd_inRoom [] = return [ProtocolError "Empty command (state: in room)"]