Mike Dean angered the wrong fan base when he slighted BTS on Twitter. 

BTS fans—known as the BTS Army—took to Dean’s Twitter replies to express their frustration after the superstar producer took a jab at the superstar boy band. When Kanye West’s Donda came up short in the Album of the Year category at Sunday’s Grammys, Dean shared his disappointment on Twitter, before responding to a tweet from the Recording Academy about BTS. 

The tweet in question read “name a group smoother than BTS,” to which Dean replied “anyone.”

He then doubled down over several tweets, asking BTS fans to get “off his dick” as they took offense to his comment. He later questioned the group’s songwriting history. 

“It’s funny to read so many armys saying BTS members write ‘90% of their music’, based on a statement made a BigHit employee,” he wrote. “Hahahaha, there is no way BTS members have writen 90% of their music. Just check the writing credits of every single BTS album.”

“Team travis and kanye. Get these Bts fans off my dick,” Dean added.

Dean then responded to a fan wondering if he’d eventually want to make a song with BTS, and compared the situation to his history with ASAP Rocky. “When I had issue with [ASAP Rocky]. I ended up mixing his whole album and we are best of family,” he wrote.

He eventually apologized to the South Korean group, and wrote that he was “just fucking trolling.”

“Ok folks,” he added. “I was mad about album of the year and made a post I shouldn’t have made. My gf just made me feel bad for it.”

Some fans are still upset with his comments, so time will tell if a BTS/Mike Dean linkup would ever be in the cards.