diff --git a/manifests/project.pp b/manifests/project.pp
index e8cbaa9..5828ecf 100644
--- a/manifests/project.pp
+++ b/manifests/project.pp
@@ -58,6 +58,7 @@
   $postgresql    = undef,
   $redis         = undef,
   $ruby          = undef,
+  $server_name   = "${name}.dev",
 ) {
   include boxen::config