During last week's election, problems with software for the vote counter at a Jefferson City precinct caused a delay in getting final results.
During the normal testing of voting machines following an election, the machine that had trouble tested fine, staff with the Cole County Clerk's Office said Monday.
The problem was with software used at Our Savior's Lutheran Church on Southwest Boulevard where residents of Ward 4, Precinct 1 cast their ballots.
After they got the machine back to the clerk's office to count the votes, staff found the scanner had doubled the ballot count and the votes for each race.
There were 536 ballots cast on the machine and the hand counting of the ballots after the election by the election judges showed 536 ballots.
The closing report on the scanner showed double that amount, or 1,072 ballots cast.
To address the problem, election staff used the absentee voting machine in the clerk's office to scan the ballots for 4/1 and that machine got the count correct.
On Monday, clerk's staff reported all 29 of the machines used April 5 tested out correctly and what caused the problem with the one remains a mystery. They have let the machine's manufacturer know about the problem, and Clerk Steve Korsmeyer said other counties reported similar problems. He added they updated all their machines with new software before this election and found no issues when they pre-tested the machines.