The store's sign appears to have had the crucial letter missing for three days because of an electrical outage.
An image was posted to Instagram with the caption: "There's only one place I shop.
Also what people yell when I fall over. Ps @countdown_nz your sign has been broken for 3 days and long may it last."
Kiwis took to social media to express their delight at Countdown's misfortune.
"The lighting on that 'O' has been seen to fail on a few fair of those signs around the country now... coincidence?!? If so, I applaud the person who made them with a 'flaw'," one person wrote.
Another complained about the supermarket chain's pricing, saying "That's what their name should because of the prices they charge".
A Northcote Countdown lost its "O" last year, and took weeks to fix the issue.
Countdown Invercargill also fell victim to a faulty sign a few years ago according to commenters on Facebook.
