Waitstaff at the Yankee Stadium’s exclusive box seats are suing the New York Yankees concession management for tips they believe they are owed, the New York Post reports.

The suit was filed at the Bronx Supreme Court and claims management formerly applied a 20 percent mandatory service charge to each patron’s bill but that tip didn’t go to service workers.The policy allegedly earned the company between $500,000 and $1 million in gratuity and thirty-two current and former workers are seeking compensation.