The Queensland Court of Appeal has set aside a Brisbane judge's ruling stopping the prosecution of former Solomons attorney-general Julian Moti on child sex charges.
That means his trial will now go ahead.
Mr Moti, an Australian lawyer, was to face trial in Brisbane charged with seven counts of engaging in sexual intercourse with a girl in Noumea and Vanuatu in 1997.
His lawyers applied for a permanent stay of the proceedings, arguing that the investigation of the charges was politically motivated, the ABC reports.
They also argued that Australian Federal Police (AFP) payments to the complainant and witnesses brought the administration of justice into disrepute.
Justice Debra Mullins granted a stay order, but the Court of Appeal has now set aside her order.
Mr Moti will go to trial at a date to be set.