Miguel Azeez felt that Pompey were the cause of their own downfall in the Emirates FA Cup.
A 2-1 defeat to League Two side Harrogate Town at Fratton Park – courtesy of a last-gasp goal from the visitors – ensured a second round exit.
But the Blues had been on a nine-match unbeaten run prior to that and won six games on the bounce.
So Azeez is keen for them not to get too disheartened ahead of Sheffield Wednesday’s midweek trip to the south coast.
The on-loan midfielder said: “I just felt like there were silly mistakes out there – and obviously one of those led to them taking the lead.
“It was a different type of game and both their goals came from our errors. If we eradicate them then they wouldn’t have scored twice.
"I just felt like there were silly mistakes out there – and obviously one of those led to them taking the lead."
“We had plenty of chances of our own and we didn’t take them, so that’s really what it all comes down to.
“It’s very frustrating, but that’s gone now and we can’t let it affect our league form. We need to keep being positive.
“We won’t get too low after this one result and have to keep the right mindset ahead of Tuesday’s game.
“It’s never ideal to lose and everyone has to make sure that we are ready to bounce back as quickly as possible.”
England under-20 international Azeez was making his fifth start for Pompey following a summer switch from Arsenal.
He said: “When I get minutes, I’m happy. I want to keep training well and do my best to take those opportunities when they come.”