--- /var/db/repos/gentoo/sys-boot/grub/files/grub.default-3	2020-02-15 03:31:07.389283721 -0500
+++ grub.default-4	2020-02-28 21:08:04.434561824 -0500
@@ -56,10 +56,13 @@ GRUB_DISTRIBUTOR="Gentoo"
 #GRUB_BACKGROUND="/boot/grub/mybackground.png"
 
 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to kernel
 #GRUB_DISABLE_LINUX_UUID=true
 
+# Comment if you don't want GRUB to pass "root=PARTUUID=xxx" parameter to kernel
+GRUB_DISABLE_LINUX_PARTUUID=false
+
 # Uncomment to disable generation of recovery mode menu entries
 #GRUB_DISABLE_RECOVERY=true
 
 # Uncomment to disable generation of the submenu and put all choices on
 # the top-level menu.