Shutdown results in reboot on OpenCore Hackintosh

I have an MSI H81I Haswell MB with an I3-4170-(4400igpu)) cpu with an nvme drive using the Opencore bootloader which I installed following the vanilla opencore guide for haswell. Everything works fine including sleep. However on shutdown the computer shuts down for a couple of seconds and than reboots. Does anyone have a fix. Using clover solves the problem but I kinda like Opencore i.e the OS seems quicker more responsive.

submitted by /u/bilben1
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