Falling death = dead logger?

Every time someone falls to their death, it counts as an instant death with no killing blow for whoever is logging. Then we get silly things like this:

https://www.wildstarlogs.com/reports/xpT2bzD8Qn7Hj4XZ#view=analytical&boss=105&difficulty=100&wipes=1&type=deaths

and this:

https://www.wildstarlogs.com/reports/xpT2bzD8Qn7Hj4XZ#view=analytical&type=deaths&source=7&fight=2

I’m sure this is just a Carbine bug, but could this be fixed on the log analysis end? Or could I just ignore these "death"s with a query? I’d like to just use a query like “source!=null”, but I can’t figure out the syntax to make it work.

killingAbility.id > 0

in the filter expression field should get rid of any deaths for which the killing blow could not be determined.