Edwin de Graaf's first-half shot was well held by St Johnstone goalkeeper Peter Enckelman.

BBC: Sport - Football - Hibernian 0-0 St Johnstone

Edwin De Graaf bulleted a drive over from 25 yards and Derek Riordan sent a free-kick into the side-netting.

BBC: Garry Brady, Craig Dargo and John Potter celebrate

Riordan then spurned a great chance to break the deadlock, taking a superb pass from Edwin De Graaf but his effort lacked conviction and was easily gathered by Pernis.

BBC: David Goodwillie scored the winner for United