"Preferred channel image source" only works when guide data source is enabled for all tuners

[someperson 3]

If you add an M3U tuner with the "preferred channel image source" set to "M3U" and then assign a guide data source to that tuner, the logos from the guide data will override the M3U. The only way to make the "preferred channel image source" feature work seems to be to enable the guide data source for all tuners and then add the M3U, but having it enabled for all tuners is not always desirable. Is there any workaround for this?

Edited 1 hour ago by someperson