'Addison just wants to be an Aussie, and to make him an Aussie is all I have ever hoped for,' the TV presenter told the Herald Sun.
The 11-year-old is currently on a bridging visa, giving him the ability to access Medicare.
'We have been through enough struggles to start a family and continue to struggle. As a final insult, they classify my son as an international student,' he added.
At present, the family will first have to apply for permanent residency and then wait four years before Addison can apply for citizenship.