--- PKGBUILD	(revision 419064)
+++ PKGBUILD	(working copy)
@@ -6,6 +6,7 @@
 pkgname=('systemd' 'systemd-libs' 'systemd-resolvconf' 'systemd-sysvcompat')
 _tag='b134c9cc4b02eddca2ea098324369018123fdf15' # git rev-parse v${_tag_name}
 _tag_name=249
+_systemd_ver="${_tag_name/-/~}"
 pkgver="${_tag_name/-/}"
 pkgrel=1
 arch=('x86_64')
@@ -110,7 +111,7 @@
   )
 
   local _meson_options=(
-    -Dversion-tag="${pkgver}-${pkgrel}-arch"
+    -Dversion-tag="${_systemd_ver}-${pkgrel}-arch"
     -Dmode=release
 
     -Dgnu-efi=true