Naughton has been ruled out for the rest of the season with ankle ligament damage.
A statement on the official Swansea website said a second scan confirmed ligament damage that will keep the January signing from Spurs out for around six weeks.
"An initial scan ruled out a fracture but a follow-up scan confirmed ligament damage," said the club statement.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!