T in the Park bosses are warning fans not to buy tickets from unscrupulous sellers.
Revellers are being ripped off by fake passes being sold online, organisers said.
They have singled out the Facebook page T in the Park Tickets Buy/Sell and urged fans to stay well clear.
A spokesman said: “T in the Park strongly advises fans not to buy tickets from unofficial ticket outlets or website auctions as not only will you have to pay over the odds but there is a high chance that the tickets will either not exist or will be a fake. Don’t take the risk.”
The site has now been reported to Facebook.
For more festival build-up, see Wednesday’s Courier.