Row Height Cannot AutoFit

To set the row height to fit its content, usually one would double click on the line between that row and the row below it. However, at times it works and at times it doesn't.

Here is why:
Actually the row height does fit the content neatly. The unfitting row is actually an illusion. It is in fact related to the amount of zoom applied on the worksheet. Set the zoom to 100% and the height should fit just nicely to the content.