Daily bars superimposed over weekly bars

Not sure this is technically a bug but the experience isn’t as expected: I’m trying to superimpose daily bars for a metric (distance) over weekly bars for the same metric. The weekly bars should be seven times as fat (horizontally) as the daily bars, obviously. And they are when the weekly plot is the only one on the chart. But when I add the daily post, the weekly one skinnies down to daily width, and I’m not getting the visual thing that I’d epect to see, namely several daily bars superimposed over one fat weekly bar. (made a screenshot but not sure 'ill be able to upload it here…)