Spurs won the game 3-1, thanks to goals from Erik Lamela, Heung-min Son and Harry Kane, but only after some controversy before the match.
Tottenham’s goalkeepers complained that the crossbar was far too low and on inspection, Mourinho agreed and had to go to UEFA to make a complaint.
The goalposts were changed as a result and the game went ahead in Skopje, with no suggestion that this was a deliberate ploy from the North Macedonian opponents as they don’t usually play at the stadium.
‘Before the game was a funny situation because my goalkeepers told me that the goal was small,’ Mourinho said.
‘I went by myself and of course the goal was small. The goalkeepers, they spend hours and hours and hours in the goal so they know when the goal is not the right dimension.
‘I am not a goalkeeper but I know football since I was a kid and I know when I stand there and I spread my arms and I know the distance, so I felt immediately that something was going wrong.
‘We got the UEFA delegate to confirm and yes it was 5cm smaller, which of course we demanded for the goals to be replaced for goals of the right dimension.’
However, Kane came on five minutes later and Mourinho praised his impact on the game.
‘We just did our job,’ said the manager. ‘We did not play magnificent. We did our job in the end which is to qualify for the next round.
‘When Harry came to the game and Sonny started coming from the left it’s more his natural habitat and he had his chance and he scored a goal which was very important for us.
‘We were going into a direction of big risk when you have 1-1 in the result. If you let the game go you are in a big risk, so the second goal was important.
‘When Harry scored it killed the game which probably we should have done in the first half. In the first half we were 41 minutes without scoring and then we gave them space to play.
‘In the second half the game became more difficult for us after our changes and something that pleases me a lot, because I like to feel the players on the bench committed to the team and ready to make an impact. The people who came from the bench made a difference.’