Upgraded RiMac 27" Late 2014 to Ventura - Can't Find Internal EIF in Boot Menu

Upgraded RiMac 27" Late 2014 to Ventura - Can't Find Internal EIF in Boot Menu

I've just upgraded my old iMac's OS to Ventura (from the last supported Big Sur version). Everything went smoothly, I got the prompt to install an internal EIF so I boot into Ventura without having the USB I used to perform the upgrade connected to the computer. After rebooting, there's no internal EFI to be found in the boot menu (disk select). Booting with the USB leads to the same prompt appearing. I can also see that the EFI is installed through the log that OpenCore shows when installing it. Another weird thing; my Boot Camp partition has the OpenCore logo appearing on it in the boot menu. I've attached a photo below.

I've tried googling around, but haven't found any solution. Would really appreciate if you could help me! Thanks.

EDIT: Sorry for the misspelling in the title. *EFI

https://preview.redd.it/4p7bc8j9eohd1.jpg?width=3016&format=pjpg&auto=webp&s=579fb7d069f878ec154eb833a702e6f2ef7db1cc

submitted by /u/Mr_Cucumber
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