diff --git a/make.conf.template b/make.conf.template
index 9a49a51..c60e26d 100644
--- a/make.conf.template
+++ b/make.conf.template
@@ -86,3 +86,4 @@ SANE_BACKENDS="mustek_usb2"
 APACHE2_MPMS="worker"
 SUEXEC_DOCROOT="/home/www"
 GRUB_PLATFORMS="emu efi-32 efi-64 pc"
+LLVM_SLOT=18