London Irish head coach Toby Booth watched fullback Tom Homer boot his side to a 21-17 Premiership victory over Wasps to move third in the table.
Wasps scored the only try of the match with 30 seconds left when wing Christian Wade went over in the right corner. It earned them a losing bonus point after fly-half Nicky Robinson had kicked four penalties.
Speaking about the match, Booth said: "We had to do what was necessary. Four points is the greatest positive out of it.
"In a week's time no-one will even be talking about the game because there was not a great amount to talk about.
"It was win the territory battle, win the kicking game, dominate up front and keep your rewards. And that's how it panned out."
Wasps director of rugby Dai Young added: "It wasn't a great game. It was two teams who didn't have a great amount of threat with the ball and far too much aimless kicking from the sides.
"From our point of view, I thought Irish were more accurate in their kicking than we were. We talked about it all week that, if you are going to give Homer any penalties, then it is almost a guaranteed three points.
"He has kicked seven and we have lost two games now to two very good kickers. Newcastle were the same. We scored two tries there and still lost the game.
"Although we scored a try right at the end today, we had some clear-cut opportunities where our accuracy was just not good enough.
"There was a lack of concentration for us which is obviously disappointing. We had six opportunities where our inaccuracies saw us giving the ball back to Irish and they kicked us back into our 22.
"We have to have concentration for 100 percent of the game, not 75 percent of the game."
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