The Justice Minister says reinstating a total ban on prisoner voting is not likely to change the outcome of elections.
The proposal would reverse changes introduced in 2020 allowing prisoners serving sentences of less than three years to vote.
People detained on remand or serving sentences of home detention will still be able to vote.
Paul Goldsmith told Mike Hosking the number of votes coming out of prisons is not enough to sway a result.
He says it's about sending a signal to people who breach the rights and responsibilities of living in society.
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The Mike Hosking Breakfast