- user->WriteNumeric(ERR_CANTJOINOPERSONLY, "%s %s :Only IRC operators may join %s (+O is set)",
- user->nick.c_str(), chan->name.c_str(), chan->name.c_str());
+ user->WriteNumeric(ERR_CANTJOINOPERSONLY, chan->name, InspIRCd::Format("Only IRC operators may join %s (+O is set)", chan->name.c_str()));