Kelsea Ballerini is giving a final warning to fans who heckle or take sides while she’s performing her Rolling Up the Welcome Mat track “Penthouse.”

She’s currently in the midst of a round of Australia shows, and on Friday night, Ballerini sang “Penthouse” as part of her set in Sydney.

But as she concluded the song, a heckler yelled out, “Team Morgan!” — aka Morgan Evans, Ballerini’s ex-husband and the person she’s singing about in many of her Rolling Up the Welcome Mat tracks.

She stopped the show in the moment, and corrected the heckler, “Team everyone’s happy,” according to fan-posted footage.

But Ballerini also later shared that fan’s video of the moment on her Instagram Stories, along with a warning.

What Did Kelsea Ballerini Say About Being Heckled at Her Sydney Show?

Ballerini’s comment suggests that it’s pretty common for hecklers to pop up when she plays this song live — and she’s sick of it.

“Respectfully, if anyone yells anything disrespectful to anyone during this song again, it will no longer be on the set list,” she wrote.

Kelsea Ballerini, Instagram

“Please let this be a song that matters to people and not a place to insert yourself into a world that doesn’t exist and was never yours to begin with,” the singer continued. “Team everyone’s happy or bust. Please.”