Cycling windows make icons look bad

I’m using Manjaro 22, Maté 1.26.0 and Marco 1.26.1.

When cycling windows with alt-tab the icons for running Softmaker Office programs do look bad. Those icons (in the popup menu) look like they have gone trough a mincer.

Does Marco tranform the icons in some way when displaying them in the window popup menu?

Check this pic: