diff --git a/repo/sing-box-git/PKGBUILD b/repo/sing-box-git/PKGBUILD
index 14baf68..52a861e 100644
--- a/repo/sing-box-git/PKGBUILD
+++ b/repo/sing-box-git/PKGBUILD
@@ -37,7 +37,7 @@ sha256sums=(
 
 pkgver() {
     cd "${srcdir}/${_pkgname}"
-    git describe --tags --long | sed -E 's/([^-]*-g)/r\1/;s/-/./g;s/^v//'
+    git describe --tags --long | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-\([^-]*\)-\([^-]*\)$/.\1.\2/;s/-//'
 }
 
 _tags=with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_clash_api,with_acme