The Hawks have agreed to hand half their Real Betis gate receipts to Pompey.
Shaun Gale’s side stepped in at late notice to face the Spanish team after Pompey were left stranded in America on Friday.
A crowd of 738 turned up to see the visitors run out 7-0 winners on Saturday night.
That fixture was worth an estimated £5,000 in gate receipts – before the deduction of expenses.
But, as part of the agreement for staging the friendly, Pompey will now receive half, around £2,000.
And that will still leave the Blues out of pocket over the fixture.
They had sold 5,000 tickets for the visit of Betis, which will now be refunded.
The Spanish side are also entitled to compensation after the match was scrapped.
For Pompey, though, the agreement with the Hawks will allow them to claw back some of their losses.
Chief executive David Lampitt said: ‘We are very frustrated and disappointed because the game should have given us an income.
‘In the end, through absolutely no fault of our own, it has cost us.
‘Sometimes events conspire against you.
‘Part of the agreement we reached with the Hawks to stage the game involved us having a share of the gate receipts.
‘We obviously gave them a bit in terms of the fixture and they also received money.’
For the Hawks, the fixture represented a glamour occasion at their Westleigh Park home.
And secretary Trevor Brock is delighted to have staged it.
He said: ‘We are grateful for the option and very happy to play such a match.
‘This was around £2,000 we would not have had otherwise.
‘We need every penny we can get and Pompey get some money out of it, too.’