Gov Mimiko's thumb print was rejected by the card reader being used in voting centre as the Ondo Governorship election goes on.
The News Agency of Nigeria (NAN) reports that Mimiko had to fill the incident form before he was finally allowed to cast his vote at about 12 noon.
Speaking shortly after casting his vote, the governor said he would resist any attempt to manipulate the election in favour of any political party.
“Ondo people will not allow any form of rigging or manipulation through the card reader or any other form,” he said.
No fewer than 1,280,580 voters with Permanent Voter Cards would decide who the governor would be out of the 28 contestants in Saturday’s governorship election.
Although 1,659,186 voters were registered for the election, 378,606 did not turn up to collect their PVCs.
Among the major contestants are Mr Eyitayo Jegede of the PDP, Chief Rotimi Akeredolu of the APC, Dr Olu Agunloye of the Social Democratic Party and Olusola Oke of the Alliance for Democracy.