diff --git a/net-libs/libslirp/libslirp-4.3.1.ebuild b/net-libs/libslirp/libslirp-4.3.1.ebuild
index 6d66bc7531c14..5883ba4bc271b 100644
--- a/net-libs/libslirp/libslirp-4.3.1.ebuild
+++ b/net-libs/libslirp/libslirp-4.3.1.ebuild
@@ -23,4 +23,5 @@ S=${WORKDIR}/${MY_P}
 src_prepare() {
 	default
 	echo "${PV}" > .tarball-version || die
+	echo -e "#!${BASH}\necho -n \$(cat '${S}/.tarball-version')" > build-aux/git-version-gen || die
 }