Simple Upscale example workflow produces jumbled images

[Jellybit]

I loaded the example Simple Upscale workflow from the readme, but get some strange results, no matter what checkpoint I use.

Here's the base image it makes, which looks good enough to me, though different than your example despite using the same checkpoint:

However, after upscale, it becomes this:

I'm using the same ControlNet model, and checkpoint. I touched nothing else. The 4x Upscale example seems to work fine.

[shiimizu]

Related to #9