diff --git a/sdk_container/src/third_party/coreos-overlay/sys-firmware/intel-microcode/intel-microcode-20180807_p20180808.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-firmware/intel-microcode/intel-microcode-20180807_p20180808.ebuild
index e698c926d1..2a853a4958 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-firmware/intel-microcode/intel-microcode-20180807_p20180808.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/sys-firmware/intel-microcode/intel-microcode-20180807_p20180808.ebuild
@@ -17,7 +17,7 @@ SRC_URI="https://downloadmirror.intel.com/${NUM}/eng/microcode-${INTEL_SNAPSHOT}
 	https://dev.gentoo.org/~whissi/dist/intel-microcode/intel-microcode-collection-${COLLECTION_SNAPSHOT}.tar.xz"
 
 LICENSE="intel-ucode"
-SLOT="0"
+SLOT="0/${PVR}"
 KEYWORDS="-* amd64 x86"
 IUSE="hostonly initramfs +split-ucode vanilla"
 REQUIRED_USE="|| ( initramfs split-ucode )"
@@ -33,8 +33,7 @@ RESTRICT="binchecks strip"
 S=${WORKDIR}
 
 # Blacklist bad microcode here.
-# 0x000406f1 aka 06-4f-01 aka CPUID 406F1 require newer microcode loader
-MICROCODE_BLACKLIST_DEFAULT="-s !0x000406f1"
+MICROCODE_BLACKLIST_DEFAULT=""
 MICROCODE_BLACKLIST="${MICROCODE_BLACKLIST:=${MICROCODE_BLACKLIST_DEFAULT}}"
 
 # In case we want to set some defaults ...