Kibana version: 5.4.1
Elasticsearch version: 5.4.1
Server OS version: Ubuntu 16.04.2 LTS
Browser version: Google Chrome Version 58.0.3029.110 (64-bit)
Browser OS version: macOS 10.12.4
Original install method (e.g. download page, yum, from source, etc.): tarball
Description of the problem including expected versus actual behavior:
When switching from normal to percentage display mode in a bar chart, visualization will show bars without tooltips for empty buckets:

By comparison, in the normal mode empty buckets have no bars, just as expected:

@thomasneirynck just to clarify - I was looking at the "Vertical Bar Chart" visualization.
Most helpful comment
@thomasneirynck just to clarify - I was looking at the "Vertical Bar Chart" visualization.