Paris Saint-Germain might be going into their Champions League second leg against Chelsea as underdogs , but defender Maxwell thinks Chelsea got lucky in their previous 1-1 draw and hopes to reach the quarter-finals with a win on Wednesday . Edinson Cavani levelled the tie at the Parc des Princes with his second-half strike cancelling out Branislav Ivanovic 's away goal - and Chelsea certainly owed some of the credit for a decent result to goalkeeper Thibaut Courtois . Manager Jose Mourinho admitted as much , labelling the Belgian stopper as 'phenomenal ' post-match - and now PSG defender Maxwell has spoken out , saying that he was what kept Chelsea in the tie in Paris last month . Paris Saint-Germain defender Maxwell ( top ) celebrates a goal in their 4-1 win over Lens on Saturday . Thibaut Courtois ( right ) earned the praise of his manager Jose Mourinho and Maxwell for his first-leg display . 'We played very well in the first leg and showed that we are capable of beating Chelsea , ' the Brazilian defender said . 'They saved the result because of their goalkeeper . 'The first leg has brought us a lot of confidence and we head into the return leg looking to qualify . ' Courtois made three saves from PSG striker Zlatan Ibrahimovic in an almost perfect performance in Paris . Courtois was in fine from at the Parc des Princes , and here tips over a PSG effort from a set piece . Javier Pastore ( left ) celebrates with Maxwell during the weekend 's 4-1 win which will have raised confidence . After the 1-1 draw , when asked whether Chelsea were let off the hook , his manager Mourinho said : 'When you see the performance of our goalkeeper , you have to say yes . He made two or three important saves in the game . ' I think 1-1 reflects one half for Chelsea , one half for Paris . But if you go to chances created and the goalkeepers ' performances , we have to be honest and say they had more than us . If somebody was closer to winning the game , it was Paris and not Chelsea . ' PSG fly to London on Tuesday hoping for better luck than in last year 's away goals exit to the same opponents with a 2-0 defeat at Stamford Bridge following a 3-1 win in Paris . The French champions moved back to the top of Ligue 1 with a 4-1 win over Lens on Saturday . Courtois is likely to start again for Chelsea on Wednesday and may have to perform similar heroics .
Paris Saint-Germain face Chelsea in the Champions League on Wednesday . Branislav Ivanovic scored in 1-1 draw in the first leg at Stamford Bridge . PSG defender Maxwell is confident of knocking Chelsea out of competition . He claims that goalkeeper Thibaut Courtois was the difference in first leg . Yohan Cabaye is back in PSG 's squad after recovering from a groin injury .