diff --git a/nginx.tmpl b/nginx.tmpl
index b4140f9..6cb771d 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -152,7 +152,7 @@ server {
 
 {{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
 server {
-	server_name {{ $host }};
+	server_name _;
 	listen 443 ssl spdy {{ $default_server }};
 	return 503;