Derek McInnes has demanded Aberdeen produce a "complete" performance in Sunday’s showdown against Rangers.
The Dons boss hopes the lessons from the Hearts defeat have been learned ahead of the Betfred Cup semi-final clash at Hampden.
Aberdeen failed to recover from a disappointing first half that saw the Premiership leaders take control with unanswered goals from Arnaud Djoum and Steven Naismith.
An improved display following the break led to Gary Mackay-Steven scoring a consolation from the penalty spot as McInnes’ side fell 10 points adrift of their Edinburgh counterparts.
However, McInnes insists victory against a rejuvenated Rangers is possible if the recognise what went wrong at Tynecastle.
McInnes, whose team have failed to beat the Ibrox club in their last five matches, said: “It’s going to be a brilliant game and I’m really looking forward to it.
"The build-up will be exciting and we’re looking forward to trying to get the club into another final.
"Hopefully the things we can take from the game against Hearts help us for next week.
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“I’m looking for a more complete performance, a 90-minute performance and hopefully we start the game more like the way we finished the one against Hearts.
“It wasn’t the wrong team that started at the weekend but we had the wrong mindset at the start of the game and we should have been more ready for what was coming.
“We played with more courage, squeezed the game, took more responsibility and were more aggressive in the second half.
“It was a game of two halves and I thought in the second half we had more positives but we can’t go to Tynecastle now against a stronger team and with the crowd the way they were and only play for 45 minutes and expect to win.
“We wanted a positive result and we spoke about that.”
McInnes will welcome back Scotland centre-back Scott McKenna at Hampden after he missed the last two matches through suspension and the Aberdeen boss is also relieved his injury woes are starting to ease.
McInnes added: “I thought we missed McKenna against Hearts - there is no getting away from it and thankfully he will be back.
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“We’ve been hampered with losing him, not so much the St Mirren game but we could have done with him against Hearts.
“Thankfully he is back and we’re now getting players back – Niall McGinn, Stevie May and James Wilson - and they’ll all be better for having the game against Hearts and hopefully we’ll be more ready for the game against Rangers.”