During today's ITV News lunchtime broadcast, footage of celebrity chef Ainsley Harriott found its way into a package about comedian Lenny Henry's knighthood.
The clip has now been pulled from the show's ITV+1 airing and was not posted by the broadcaster online.
Some Twitter users registered their anger that such a mistake should have been made given the comedian's commitment to increasing diversity in the media.
Others decided to mock the broadcaster.
Pretty soon even politicians were taking the piss.
A spokesperson for ITV News said: "ITV News apologises for the error broadcast in the lunchtime news package today regarding Sir Lenny Henry's knighthood at the palace. This was the result of an error in the production process in a piece intended to celebrate Sir Lenny's significant achievements in British entertainment."