diff --git a/site-cookbooks/kosmos_strfry/templates/nginx_conf_strfry.erb b/site-cookbooks/kosmos_strfry/templates/nginx_conf_strfry.erb
index c48ce62..a9fb157 100644
--- a/site-cookbooks/kosmos_strfry/templates/nginx_conf_strfry.erb
+++ b/site-cookbooks/kosmos_strfry/templates/nginx_conf_strfry.erb
@@ -1,6 +1,6 @@
 upstream _strfry {
 <% @upstream_hosts.each do |host| %>
-  server <%= host %>:<%= @upstream_port %>;
+  server <%= host %>:<%= @upstream_port || "7777" %>;
 <% end %>
 }