Machine Gun Kelly is responding to a vandal who defaced one of his tour buses in Nebraska on Thursday morning with a homophobic slur and vulgar images.

Kelly’s caravan includes a number of different tour busses — each a different colour — and after a performance Wednesday night one of them was vandalized with the words “Rap devil f*****” on one side, and a large, crude depiction of a phallus on the other side. READ MORE: Megan Fox and Machine Gun Kelly Are Considering Having More Kids, Source Says The graffiti was recorded by a passerby, who claimed she got into an argument with Kelly’s security while filming the bus.

Kelly himself took to his Instagram story to share a message with whoever tagged the bus, which he recorded while lying in bed in his hotel room. READ MORE: Megan Fox Stands Out in Eye-Catching Neon Green Outfit at Machine Gun Kelly’s Concert “You’re so dumb,” Kelly expressed. “You spray-painted a bus thinking it was my bus.