Lyon forward Lisandro Lopez warned his team-mates that their hopes of success this season are being jeopardised by their own poor form.
"The most complicated rival for us at the end of this season is ourselves," Lopez said at a press conference. "If we play at our level, we can win the last five matches. We have to look at ourselves. If we play as we have in our last two matches, we'll put ourselves in difficulty. We're playing against ourselves."
Lyon laboured to a 3-2 win over Montpellier on 27 April before sinking to a 2-0 defeat at Toulouse last Sunday, in which both Michel Bastos and Aly Cissokho were sent off.
The loss against Toulouse left third-placed Lyon seven points behind Ligue 1 leaders Lille with five games remaining and Lisandro pulled no punches in his assessment of the team's performance.
"It was a disaster on every level," said the reigning Ligue 1 Player of the Year. "If we want to take something positive from it, it's that everyone makes mistakes and we cannot make errors like that in our remaining matches.
"We need desire to obtain our objectives. Sometimes you get the impression there's a lack of desire, but it's just an impression. In other matches, actually, there hasn't been desire. You need to be thirsty for victory."
Lisandro, Lyon's top scorer in the league with 15 goals, admitted that defeat at home to second-placed Marseille on Sunday would leave Claude Puel's side "in a difficult position".
"And it's mathematically certain that we won't be champions this year and we'll have difficulty regarding (qualifying for) the Champions League," Lopez said. "I don't want to think about defeat. I'm positive."
Lyon have won nothing in the two years since Lisandro arrived in a club-record transfer from FC Porto, but despite his hunger for silverware, the Argentinian international said he had no plans to leave Stade Gerland.
"I've won no titles for two years," he said. "I've already said it. If no-one asks me to leave, I'll stay at Lyon, even without the Champions League. I don't want to leave Lyon without a title."