There was a feeling of déjà vu around the ground when Conor Shaughnessy earned Pompey three points against Carlisle.
At the start of the month, the defender had converted a Jack Sparkes corner at the Fratton End in stoppage-time to earn a dramatic victory over Wycombe.
And he did exactly the same thing to stun the Cumbrians and send the hosts three points clear at the top of the League One standings.
They had tailed off after a dominant first half performance, so Shaughnessy was delighted to notch another win.
He said: “It’s an unbelievable feeling – as I said a few weeks ago, it doesn’t really get any better than that.
“It came off the back of what was a difficult 45 minutes for us and Carlisle had some good moments in the second half.
"We know that Sparkesy is going to send in a great delivery every time and I have an idea where he’s going to put it."
“So I think it’s a really important win for us and we can look back on it as an excellent three points collected.
“We know that Sparkesy is going to send in a great delivery every time and I have an idea where he’s going to put it.
“It’s just about the movement, attacking the ball and keeping it down – thankfully they all added up and it hit the back of the net.
“Teams are going to sit back when they come here and make it tough for us to break them down, so we needed to stick at it.
“We’re not getting carried away at the moment and just want to keep that good feeling flowing around the place.”
Moments before the winning goal, Will Norris had made a fine stop to deny Dan Butterworth at the other end of the pitch.
Shaughnessy said: “He pulled off an unbelievable save and probably won’t get enough credit for that. It was fantastic and kept us in the game. It was a massive moment.”