Right now things are okay because gparted shows the 1 GB unallocated space that you will use to create the efi partition. So just don’t mess with it until @dalto or someone else gives you the correct instructions. I’m not very well versed with systemd-boot so i don’t want to give you bad information and cause any issues since i know this is easily repairable. Maybe @pebcak is around? He’s very good at this. 