Chicago-based GrubHub.com is being sued by a Chicago man for allegedly lying about prices on its web site.

The price in question that led to the lawsuit is $1. According to his lawsuit filed in Cook County court, Cory Miller alleges he used GrubHub.com to order fettuccine alfredo with chicken from a North Side restaurant. But Miller says he was charged an extra buck for his delivery, even though GrubHub.com says its services are free for consumers.

“In actuality, what GrubHub does is it takes a piece from the restaurant,” said Bill Gray, Miller’s attorney. “The restaurants are then charging more to consumers which, in turn, unjustly riches GrubHub.”

Gray wouldn’t say how much money he’s seeking in damages.

In a statement, GrubHub.com says it tries to keep menu prices up to date, and there is a method in place for customers to notify the web site of pricing discrepancies.