Jenson Button says his McLaren Honda team must not forget about the developments it has made this year despite a miserable race weekend in Canada and insists he still has faith in the project.

After scoring his first points of the 2015 season in Monaco the British driver was given a painful reality check when his McLaren MP4-30 was forced to retire 16 laps from the chequered flag in Montreal with exhaust problems, which also ended his team-mate Fernando Alonso's race.

The 2009 F1 world champion has made no excuses for the double DNF his team suffered in Montreal but says the background work being completed by McLaren needs to be considered alongside the team's poor results.

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"As a team, we're measured ultimately on where we finish on a Sunday afternoon," Button said. "It doesn't take into account the progress we've made behind the scenes, or in practice and qualifying in the build-up to the race, so it can sometimes be difficult to see the positives after a tough Grand Prix.

"Over the past few days we've bounced back from Montreal and we're already looking firmly ahead at the next challenge."

Button has also reiterated his firm belief in the project McLaren Honda has begun and hopes the team can learn from its mistakes of Canada this weekend at the Red Bull Ring.

"It's important that we don't forget how far we've come," Button explained. "Yes, both cars retiring from the race was not at all the result we've been working so hard for, but we are focused on the progress we're still making and the improvements that we've already made up to this point.

"There's still a huge amount of belief within the team, and we're continuing to push for development in every area back in Woking and Sakura."

The British driver admits the high speed layout of the circuit in Spielberg could cause McLaren similar problems as witnessed in Canada but remains in an upbeat mood.

"It's definitely considered one of those 'mini-classics', not so complex in terms of its configuration, but fun to drive. On paper, Austria won't suit the characteristics of our car, but I'm looking forward to enjoying some good racing there and pushing to make more progress in every session."