Tickets for BTS’ first-ever U.S. stadium show sold out Friday (Aug. 17), with the band’s loyal ARMY buying out New York City’s Citi Field in a matter of minutes after tickets went on sale.

Though the exact time tickets became unavailable has not yet been confirmed, at 5:06 p.m. ET, just an hour and six minutes after the ticketing opened at 4 p.m., Citi Field’s Twitter account posted that tickets were sold out. “Thank you, #BTSArmy!” says the post. “Due to overwhelming demand, tickets are no longer available for the @bts_bighit show at this time. We hope to see you on Oct. 6th.”

BTS' label, Big Hit Entertainment, later told Billboard that the tickets sold out in 20 minutes.

The show is advertised to have had 40,000 tickets available.

Thank you, #BTSArmy! Due to overwhelming demand, tickets are no longer available for the @bts_bighit show at this time. We hope to see you on Oct. 6th. pic.twitter.com/Wqd6HGVF5n — Citi Field (@CitiField) August 17, 2018

Big Hit Entertainment, also marked the concert as sold out on the tour’s official website.

The Citi Field show in Queens on Oct. 6 is the final stateside stop of the group’s Love Yourself World Tour, and the first time a Korean act will ever host a stadium show in the U.S. It is the 15th North American stop of BTS’ tour to have sold out. The septet kicks off the American leg of its Love Yourself trek on Sept. 5 at the Staples Center in Los Angeles. The world tour will be preceded by the release of Love Yourself: Answer next week, on Aug. 24.

Fans took to Twitter to commemorate BTS’ selling out their first U.S. stadium spot and promptly trended #BTSCitifield at No. 1 worldwide.

“I always thought that stadium tour is only for very few artists but now I think we are very close to it. I believe dreams come true.” - Yoongi #BTSCITIFIELD Keep dreaming bby boy. They’ll come true. -- pic.twitter.com/g49tWR7OY9 — ?? (@gayoongi) August 17, 2018

Update, Aug. 18: Big Hit Entertainment confirms 20 minute sell-out time.