David Carson's first goal for Inverness earned Caley Thistle a 1-0 victory at Dunfermline.
The visitors had a good chance to break the deadlock in the 15th minute but were denied as Shane Sutherland's effort was cleared off the line.
Dunfermline's Craig Wighton put the ball in the net in the 20th minute but he was adjudged to be offside.
Inverness eventually made the breakthrough in the 81st minute when Carson found the net from inside the area.