Background has the same height as the room, still it shows as a vertical tile

NoFontNL

Member
I have this background:
upload_2019-8-12_17-3-20.png

The room has the same height:
upload_2019-8-12_17-3-40.png
But still, it loops at the bottom of the room, which shouldn't happen right?
upload_2019-8-12_17-4-23.png
You can clearly see it loops back to the top.

What's going on here?
 
Top