David Nugent has pledged there will be no celebrations should he net on his Pompey return.
The striker comes back to Fratton Park tomorrow with new club Leicester.
He spent four seasons on the south coast, netting 20 goals in 93 games following a £6m switch from Preston.
His final campaign was by far his best for the Blues, a return of 14 goals establishing him as last season’s top scorer.
Nugent has maintained that form with a bright start to his Foxes career, netting five goals.
But he has ruled out celebrating should he continue his scoring streak at the expense of his former club.
Nugent said: ‘It is always nice to go back to your former club, although I am not sure what response I am going to get.
‘I probably won’t celebrate if I score, though.
‘It was pretty good last year. Steve Cotterill came in and straight away said I would be playing every week.
‘I knew that on Saturdays I would be playing and hopefully producing the goods.
‘It was brilliant that I was going into games knowing I would be playing. That gave me a lot of confidence because you knew you were going to get a good run in the team.
‘The first two seasons weren’t too impressive. I didn’t really play under Harry (Redknapp), then I was injured for most of the second season.
‘The third season I was on loan at Burnley for most of it.
‘It was only last season I showed them what I could do and scored 14 goals. But to finish where we did with the players we had last season wasn’t really good enough.’
Nugent has netted five goals in 14 games for the Foxes.