Defender Jim Lauchlan has been informed he will be fined for his red card in Saturday's defeat at Aberdeen.
Manager Alex Smith confirmed on Monday that he has told the centre-half what his punishment will be and stressed to him there must be no repeat of his clash with Dons striker Eugene Dadi.
"What Jim did was an act of gross stupidity and he has to realise he let down both the team and the fans," said Alex. "He is a very influential player who has served Dundee United well, but he has to cut this kind of thing out because we need him on the park."
While there was no argument concerning Lauchlan's dismissal, the feeling was that the other red carded Tangerine, Jamie McCunnie, was unlucky and he will not be disciplined.