Force India driver Adrian Sutil reckons the pit-stop fumble cost him a couple of places in Sunday's Turkish Grand Prix but for which it was a perfect race in Istanbul.
Force India pit crew did a shoddy work when Sutil came to pit and even though the German went on to finish ninth, it could surely have been better.
"The pit stop slowed us down and I lost two positions," Sutil said, recalling the race.
"The right front just didn't go on, and they had to take it back off and put it back on, so we lost a few seconds. It's a shame because I was really fighting hard in the opening laps.
"The field is so close at the moment that you have a penalty for every single problem, even if it's very small," said the Lanky driver.
Otherwise, however, there was nothing to complain, Sutil said.
"I did a really good race. I actually overtook Kamui Kobayashi three times altogether. Then (Vitaly) Petrov had trouble with (Fernando) Alonso and I passed him, and got my ninth position.
"Apart from the stop it was nearly a perfect race, so I am quite happy with it," he said.
Looking ahead to the Canadian Grand Prix on June 13, Sutil said he was ready to give the Renault cars a good run for their money.
"I have a much better car and I have grown up since the last time we visited. We'll concentrate on making it work for the next race, and hopefully we can battle the Renaults again," he said.
Dwelling on the Montreal track, he said, "It's not easy, because you have to hit the kerbs right. The car is moving a lot with low downforce, so it's quite easy to get oversteer and to not do a perfect lap.
"It looks maybe easier than it actually is. A soft car is required to go over the kerbs well, and you need good traction," he explained.
"It's a great city, a lot of people, a lot of life, a good atmosphere. I'm really looking forward to it because we don't have a US GP anymore and it's the closest one we have.
So it's good that we have one of the best races back on the calendar," added Sutil.