Sabrina Carpenter‘s not a fan of yodeling … or what she thought was yodeling — expressing an opinion that’s getting her into a bit of trouble online.

The pop star brought down the house at Coachella Friday … and, one excited fan showed their appreciation with a high-pitched trill in between songs that rubbed Carpenter the wrong way.

Check out the clip … Carpenter’s sitting at a piano, about to play “We Almost Broke Up Again Last Night” — when the call draws her attention, and she bluntly tells a fan she doesn’t like it.

The fan replies by saying it’s part of her culture … and Carpenter responds by asking if “yodeling” is really part of the fan’s culture.

Carpenter’s #1 fan tries to explain … but is ultimately dismissed by the star as “weird” as she moves on to the next track.

Now, people online are criticizing Carpenter for apparently failing to recognize a “zaghrouta” — a sound generally vocalized by Arab peoples to express joy or celebration.

Some are defending Carpenter … claiming the person making the noise did it at an inopportune time — but many are still blasting Carpenter for making a mockery of the noise anyway.

The rest of her set — which featured big stars like Will Ferrell, Sam Elliott, Susan Sarandon and more — went off without a hitch … but, this moment’s going to stick with the star for a little while at least.