Alphabet’s Google on Thursday failed to persuade a U.S. appeals panel to overturn a jury verdict and federal court order requiring the technology company to revamp its app store Play. The San Francisco-based 9th U.

A federal appeals court has upheld a jury verdict condemning Google’s Android app store as an illegal monopoly, clearing the way for a judge to enforce a potentially disruptive shakeup.

Google has appealed against an order mandating major changes to its Play Store. The move comes after the tech giant lost a key ruling in a lawsuit filed by Epic Games, the maker of popular video game Fortnite . The appeal was filed with the San Francisco-based 9th US Circuit Court of Appeals on Friday.