Hi-res tech images cut off

[Reika]

If I try using high-res images for the techs, like the newest versions of Factorio do, the research table cuts the image to the top-left corner. It works if the old-style low-resolution images are used. Is this a simple mistake on my end, or are modded researches not able to use high-res textures?

Several examples can be seen in this image:

[daniel34]

Someone posted a Bug Report with the same issue:
[0.12.19] Technology Icons being compressed

EDIT:

Ok, figured it out. When icons were changed we added "icon_size" property to Technology prototype, which defaults to 128 for base mod and 64 to every other mod.
So you need to add "icon_size = 128," to your technology prototypes and it will work. I will add information about this to changelog because it is not there.