The NBA has successfully pushed for a significant change to the playing rules that appears to attempt to prevent a repeat of the scandal that resulted in Jontay Porter being banned from the league last season, according to a report.

The NBA has asked major sportsbooks not to offer prop bets on players on two-way or 10-day contracts, according to ESPN’s David Payne Purdum. DraftKings and FanDuel are among the sportsbooks that have agreed to comply.