OpenCore not recognised as bootloader option

After installing Catalina and starting it up for the first time, I moved the EFI folder from USB to the Catalina EFI partition. However, when restarting and entering BIOS to set the boot order, OpenCore is not offered as a choice. It was, though, when the USB stick was plugged in.

Any idea what I am doing wrong?

submitted by /u/rowild
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