Hackintosh recognizes NVMe drive, but won't boot from it

Hey guys

I recently bought a Samsung EVO 970 NVMe drive to use as my new boot drive. I've cloned my boot drive (SATA) to the NVMe with Carbon Copy Cloner, and I've copied my EFI folder to the new drive. However, OpenCore won't recognize it in the boot options screen. I did format the new drive as APFS, GUID Partition Map.

​

I'm fairly novice to hackintoshing, but I have used this computer since 2019. I should also mention I do want to update the computer pretty soon, but don't want to mess up the current configuration that's working perfectly.

​

Specs:

OpenCore 0.8.8

iMac 19,1

MacOS 11.6.2

MB: Z390 Designaire

​