'Ignore me' keywords still being set as tags on Flickr

FlickrExport for Aperture (3.0.0b25) doesn't seem to be ignoring the tags/keywords that have been set to be ignored when uploading. Even though I have my top-level keywords (and a few second and third level) like 'Hardware', 'Photo specs', and so on in the 'ignore these' field (I forget the exact nomenclature, Aperture's busy uploading right now), they keep appearing on Flickr.
 
indifferent I’m slightly frustrated
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