diff --git a/srcpkgs/lxsession/template b/srcpkgs/lxsession/template
index 6f3d8e22480..d1ef33061d9 100644
--- a/srcpkgs/lxsession/template
+++ b/srcpkgs/lxsession/template
@@ -4,7 +4,7 @@ version=0.5.5
 revision=1
 build_style=gnu-configure
 configure_args="--enable-buildin-clipboard --enable-buildin-polkit --enable-gtk3"
-hostmakedepends="pkg-config intltool"
+hostmakedepends="pkg-config intltool vala"
 makedepends="dbus-glib-devel gtk+3-devel polkit-devel"
 depends="hicolor-icon-theme"
 short_desc="LXDE X11 Session Manager"