Lewis Hamilton was left lamenting his tyre choice after failing to fight for pole position ahead of the Turkish Grand Prix.
Hamilton will start the race from third place after choosing the harder tyre compound for his final run in the third qualifying segment.
While all his rivals chose the softer option, the McLaren driver decided to use the prime tyres because he felt they were more consistent.
In the end the decision didn't work out and Hamilton admitted it was a mistake.
"It was a tough qualifying session for me," said Hamilton. "I had a fantastic lap in Q1, and in Q2 I struggled a bit on the option tyre so I opted for the prime tyre (for Q3) because I felt it would be more consistent.
"I did it and I guess I made the wrong decision."
He added: "It wasn't too bad. I struggled in the first Q3 lap. It was terrible and I was in the 29. The second one for sure was an improvement but still wasn't quick enough."
The Briton, who qualified behind his teammate Heikki Kovalainen, is nonetheless confident he will be able to fight for victory in tomorrow's race.
"I think we have got a good package this weekend and myself and Heikki have shown we are up there with the Ferraris and should be able to push them in the race."