Ronny Deila has lost his first league game as Celtic manager.
The Hoops lost 1-0 away to Inverness in the Scottish highlands. But Celtic played a rather weakened team as they prepare for the Champions League play-off second leg with Maribor.
Charlie Mulgrew was the only player to retain his place in the starting eleven.
But an own goal from Eoghan O'Connell mid way through the second half was enough to give Inverness the three points.