No EFI option for file system when creating new partition

Trying to install Bazzite based on the YT tutorial for dual boot tha't s on the bottom of the installation guide page and I don’t seem to have an option to select EFI as a file system. Not sure if I can select automatic as I want to keep an already existing NTFS partition on that drive that’s extra storage for Windows. Not sure what to do.
Solution
Looks like you are CSM booting, which should work but is usually a bad idea
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