diff --git a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
index 4b74c96..4400e37 100644
--- a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
+++ b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
@@ -15,6 +15,7 @@ detect_arch
 KEYWORDS="~amd64"
 HOMEPAGE="https://github.com/linux-surface/linux-surface"
 IUSE="experimental"
+EXTEAVERSION="-${PN}-*"
 DESCRIPTION="Full sources including the Gentoo and Surface patchset for the ${KV_MAJOR}.${KV_MINOR} kernel tree."
 SRC_URI="${KERNEL_URI} ${GENPATCHES_URI} ${ARCH_URI}
 		https://raw.githubusercontent.com/linux-surface/linux-surface/master/patches/5.13/0001-surface3-oemb.patch
@@ -29,7 +30,9 @@ SRC_URI="${KERNEL_URI} ${GENPATCHES_URI} ${ARCH_URI}
 		https://raw.githubusercontent.com/linux-surface/linux-surface/master/patches/5.13/0010-amd-gpio.patch
 		https://raw.githubusercontent.com/linux-surface/linux-surface/master/patches/5.13/0011-amd-s0ix.patch"
 
+
 src_prepare() {
+	unpack_set_extraversion
 	mv "${WORKDIR}/linux-${KV_FULL}" "${WORKDIR}/linux-${KV_FULL}-surface"
 	S="${WORKDIR}/linux-${KV_FULL}-surface"
 	sed "s/EXTRAVERSION = -gentoo/EXTRAVERSION = -gentoo-surface/" -i "${WORKDIR}/linux-${KV_FULL}/Makefile"