diff --git a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.10.52.ebuild b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.10.52.ebuild
index 037a7f2..9de4ac2 100644
--- a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.10.52.ebuild
+++ b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.10.52.ebuild
@@ -31,6 +31,7 @@ SRC_URI="${KERNEL_URI} ${GENPATCHES_URI} ${ARCH_URI}
 		https://raw.githubusercontent.com/linux-surface/linux-surface/master/patches/5.10/0012-ath10k-firmware-override.patch "
 
 src_prepare() {
+	default
 	sed "s/EXTRAVERSION = -gentoo/EXTRAVERSION = -gentoo-surface/" -i "${WORKDIR}/linux-${KV_FULL}/Makefile"
 	EPATCH_SOURCE="${DISTDIR}" EPATCH_SUFFIX="patch" \
 		EPATCH_FORCE="yes" epatch
diff --git a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
index bd88cba..2f54c55 100644
--- a/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
+++ b/sys-kernel/gentoo-surface-sources/gentoo-surface-sources-5.13.7.ebuild
@@ -30,6 +30,7 @@ SRC_URI="${KERNEL_URI} ${GENPATCHES_URI} ${ARCH_URI}
 		https://raw.githubusercontent.com/linux-surface/linux-surface/master/patches/5.13/0011-amd-s0ix.patch"
 
 src_prepare() {
+	default
 	sed "s/EXTRAVERSION = -gentoo/EXTRAVERSION = -gentoo-surface/" -i "${WORKDIR}/linux-${KV_FULL}/Makefile"
 	EPATCH_SOURCE="${DISTDIR}" EPATCH_SUFFIX="patch" \
 		EPATCH_FORCE="yes"