The Manchester United manager was left upset after his side fails to register a win against the Anderlecht side into the Europa League.
The Manchester United supremo said his team’s defense could be very upset after their attacking draw against the Belgium side.
Last night for the Manchester United side Henrikh Mkhitaryan scored the first goal but in the last quarter of the second half, Manchester United concede a goal from the Home side.
Leander Dendoncker scored the equalizing goal for the hosts.
The special was upset with the results and said the attackers did not manage to deliver their performance what are expected from them.
In the post-match conference, he said: "The result is positive. To play at home with an advantage is a good result in any case,"
"But I think the result should be much better and we can only blame ourselves because we had an easy game to play in the second half and we didn't play in attack with that instinct and we lost the ball easily one too many times.
"We stopped our counter-attacks because of sloppy decisions and then we gave them an opportunity to have some counter-attacks.
"Luckily, our defenders were very much in the game and resolved some of our problems.
"But if I was a United defender I would be very upset with the attacking players because they could have killed the game and they didn't."
On April 20 the Manchester United side will host the Belgium side at the Old Trafford for the second leg and the draw is still a positive thing for the Red Devils side.
Mourinho was happy with some aspects of his team’s performance but repented with their some decisions.
He voiced: "I'd say it was a strong performance by the team from the defensive point of view. [Jesse] Lingard, Mkhitaryan and [Marcus] Rashford, they did defensively what we asked them to do, to compact the team, to control the opponents, to cover some spaces,"
"We were very solid defensively, and that is not just about the defenders, it is about the team as a team.
"But then, when the team is broken because we have to counter-attack, we cannot lose so many balls. It is not just about the chances we miss because we didn't miss so many chances, it's about half chances, the chances where you feel space is there, the time is there, but then the decision is wrong."