Bolton boss Sam Allardyce was incensed his side were not awarded at least one penalty in the first leg of their Uefa Cup tie with Marseille.
Allardyce admits Bolton face a tough task in the Uefa Cup
Frederic Dehu appeared to handle Jay-Jay Okocha's cross and Stelios Giannakopoulos fell under a challenge from Lorik Cana in the second half.
"The handball was an absolute definite - a screamer, a 120% penalty," said Allardyce after the 0-0 draw.
"It appeared the referee did not want to give anything controversial."
Bolton's failure to score leaves them with a difficult task in the second leg of the last-32 tie in the Stade Velodrome on 23 February.
"It is a difficult place to play, so our chances will depend on what happens in the first 15 to 20 minutes," added Allardyce.
"We will have to weather the storm, like they did here, and play our way into the game.
"If we can nick an away goal I would be confident but it is going to be very tight over there and it won't be easy for us."
Marseille had five players booked in a fractious tie and Bolton striker Kevin Davies admitted he was surprised by their approach.
"It was tough out there, they got men behind the ball and made it difficult for us tonight," he said.
"It was physical, it was surprising, they obviously studied us and tried to match us."