diff --git a/config.example.yml b/config.example.yml
index 8184e1a5..eb5ee1ea 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -6,6 +6,7 @@ app:
 server:
     external_port: 3000
     internal_port: 3001
+    next_port: 3002
     internal_hostname: pangolin
     secure_cookies: false
     session_cookie_name: session