However, the boss also admitted that he will try to find a solution to our recent issues from the spot.
Dortmund stopper Gregor Kobel guessed right to deny the Algerian from 12 yards midway through the second half at Signal Iduna Park, but the point was still enough for City to guarantee top spot in Group G.
And the boss was quick to defend Mahrez, and any other member of the squad, willing to take on the pressure of taking a penalty.
“I admire a lot of the courage of the guys who take the penalties”, he reflected.
“This is not about Riyad… we did it in this competition a few times. When you miss it, it’s difficult.
“Riyad last season was exceptional. Three years ago, he shot the penalty to make it 1-1 here and help us reach the first time, for this group, the semi-final of the Champions League.
“He will reflect, practice and take a break right now. He wanted to score it and he was the first to have the mentality to go there and do it.
“In this type of competition - all competitions but especially this one - when the teams are strong, to give this advantage to them is too much and it happened in this six-and-a-half years we were together.
“It is not one single player - many players shoot the penalties and miss them. We have to try to find a solution.”
Hear Guardiola’s post-match thoughts in full via the video above…