Simon Cowell has reportedly installed an electric fence around his mansion in London to protect his pet dogs from foxes.
The Britain's Got Talent supremo is believed to have taken action to guard his Yorkshire terriers Squiddly and Diddly after a fox was spotted in the back garden.
The fence is designed to deter rather than hurt the foxes, according to the Sun.
A source told the paper: "They have put a wire along one wall where they think foxes would come from.
"There were signs of them in the garden and obviously Squiddly and Diddly would be no match for a fox."
Simon, 54, and his Fiancee Lauren Silverman, 36, got the animals last year.