Reversed monochrome image

When I open a post with a monochrome image, the full image appears reversed.

Scenario (steps to reproduce)

Open a post with a monochrome image. E.g. https://lemmy.ca/post/4205892 . Preview appears OK
Open the picture. It shows briefly as-is and then it reverses itself.

Device information

        Sync version: v23.08.25-12:16    
    Sync flavor: googlePlay    
    
    View type: Small cards    
    
    Device: lavender    
    Model: Xiaomi Redmi Note 7    
    Android: 10