hue inversion does not work on Mac OS X 10.9+ Mavericks

What steps will reproduce the problem? 1. Install Nocturne in Mac OS X 10.9+
2. Disable Monochrome and enable Invert Hue

Expect hues to be inverted. Instead, checkbox has no effect.

Using Nocturne 2.0.0 on Mac OS X 10.9