Amazon-owned Whole Foods is asking the National Labor Relations Board to set aside the results of a union election in Philadelphia.

Amazon, which purchased Whole Foods Market in 2017, has filed objections to last month's successful union election

The grocery chain’s store in Philadelphia becomes the first to join a union, where workers hope to expand organizing to other outlets and across the Amazon empire.

Workers at a Whole Foods Market in Philly have voted to unionize, becoming the first group of employees to pull off a labor win at the chain.