Minnesota Attorney General Keith Ellison is suing iconic tractor manufacturer John Deere over farmers’ rights to repair their own machines. Citing the frustration of farmers who are forced to rely on authorized dealers to fix broken-down tractors,

John Deere’s “unfair” practices raised repair costs for farmers and kept them from being able to make repairs on tractors and other equipment they own, the Federal Trade Commission (FTC) alleges in a new lawsuit.

The Federal Trade Commission and two states accuse Deere of costing farmers time and money by unfairly limiting software access and forcing the use of only authorized dealers.