List identing bug

Gist: https://gist.github.com/fuzzy76/a2c61c64a03f3040c15ec6ee6f1af6e7
Rendering: https://nicegist.github.io/a2c61c64a03f3040c15ec6ee6f1af6e7

It doesn't happen all the time, I think the checkboxes might have something to do with it...