With half the season played, Pompey are one of several sides with promotion firmly on their mind.
But Kenny Jackett knows they have to secure a quick return to winning ways in order to keep pace with the League One leaders.
Consecutive losses to Hull and Lincoln have seen them drop to fifth spot and four points adrift of the top two.
So Jackett is looking for a better performance from his troops when they travel to Charlton this weekend.
The Blues boss said: “We were unlucky not to get anything against Lincoln on Tuesday, but do need to improve off the back of two defeats.
“There have been some good individual performances, but we haven’t got on the ball enough in midfield.
"There is plenty of the season remaining and we are very much looking forward with a positive outlook."
“We have to be more constructive, while looking to provide better support for John Marquis up front. They’re the two big things.
“There are a lot of things that we’ve had to work on in a short space of time in order for us to get back to our best.
“We’re still in a good position and nobody’s been able to get away from us, with 23 games still to play.
“There is plenty of the season remaining and we are very much looking forward with a positive outlook.”
Charlton are just one place – and a single point – behind Pompey in sixth position, although have played two games more.
Jackett said: “They’re one of the sides that have come down from the Championship and will be looking to go straight back up.
“It’s a good standard at the top of League One and they’ve got a talented set of players, so I’m expecting a quality game at The Valley.
“I really like Lee Bowyer and have a lot of respect for him and Steve Gallen. They’ve done a good job at this level.”