Paris FC president Pierre Ferracci has blamed violent Paris Saint-Germain supporters for causing a street battle ahead of last Friday's third-division derby between his club and Red Star in the French capital.
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The lesser-known Parisian clubs met at the Stade Charlety, in the south of the city, with the match preceded by clashes in Porte d'Italie during which flares were thrown.
Four people were injured in the incident, which saw police detain 36 more who were released 24 hours later.
The violence bore hallmarks of repeated clashes between rival PSG fans before former president Robin Leproux introduced an initiative to rid the club's fanbase of violent factions.
Leproux -- president just before Qatar Sports Investments (QSI) took over in summer 2011 -- dissolved supporters' groups associated with violence and banned them from the Parc des Princes.
QSI has maintained the plan, but Ferracci claimed its effect had been to encourage former PSG hooligans to look elsewhere for trouble.
"You can see that they're former PSG supporters. PSG treated these questions in a radical fashion some time ago with the Plan Leproux," RMC quoted him as saying. "I am happy about that, because it had to be done -- but the consequences have perhaps been badly calculated.
"There are tens, even hundreds of PSG fans, partisans of violence, who are looking for other areas in which to play. Paris FC, like Red Star, are part of those areas. It's up to the clubs concerned, the police and the courts to do something about it.
"I hope that each person who claims to be with the club that I lead, and commits violence, is banned from stadia for as long as possible.
"That won't solve all the problems, but it will allow us to calm things down. You can't have lofty sporting ambitions and not sort out these problems with efficiency."