Fleetwood boss Uwe Rosler believes the home defeat by Bolton which ended their mammoth 18-game unbeaten run in League One was a one-off.
Town remain second with 10 games to play but Bolton closed the gap to just one point with their bruising 4-2 win.
Adam Le Fondre fluked the opener with a mishit cross and David Wheater quickly doubled the lead before Kyle Dempsey gave the home side hope with his first Town goal.
Mark Beevers’ strike two minutes after half-time was crucial and Le Fondre headed his second before Bobby Grant reduced the deficit late on.
Two of Bolton’s goals came from set-piece deliveries by Filipe Morais and Rosler said: “Overall I’m delighted how we executed the game-plan, especially in the first half, and how brave we were on the ball. You saw how many good footballers we have.
“The only disappointing thing was that we didn’t defend in-swinging free-kicks. Their players did not need to head the ball – they used their feet.
“We need more body contact in those situations. My players are really nice people and sometimes we need to be more brutal in those situations, like Bolton.
“We had 10 clean sheets in 18 games. We had the second-best defensive record in the league. We are dealing fantastically with set-pieces in general but (on Saturday) we conceded. We will have to analyse that. In the box you can’t mark space, you need to mark a man and we didn’t.
“It is a one off-day and we move on. We have been really unlucky, especially for the first goal.
“It is also a lesson. In games like that, when the pressure is high and there is a full stadium and big away support, you need to keep your nerve and to do the details right on set-pieces.
“That will come into calculations now for selections moving forward.”
Town’s determination to score a consolation goal showed the spirit Rosler wants to take into the remaining games.
He added: “After the third goal I saw some players wobble a little because we are not used to that scenario.
“We got ourselves together and fought right to the end. We kept playing to the death and that is now the way forward.”