diff --git a/syndicate/examples/server-chat-client.rkt b/syndicate/examples/server-chat-client.rkt
index 12bdddc..0341eb5 100644
--- a/syndicate/examples/server-chat-client.rkt
+++ b/syndicate/examples/server-chat-client.rkt
@@ -7,11 +7,22 @@
 (assertion-struct Present (name))
 (message-struct Says (who what))
 
+(define host (make-parameter "localhost"))
+(define port (make-parameter 8001))
+(define scope (make-parameter "broker"))
+
+(module+ main
+  (require racket/cmdline)
+  (command-line #:once-each
+                ["--host" hostname "Server hostname" (host hostname)]
+                ["--port" portnum "Server port number" (port (string->number portnum))]
+                ["--scope" scopename "Server scope" (scope scopename)]))
+
 (spawn #:name 'main
        (field [username (symbol->string (strong-gensym 'chatter-))])
 
        (define root-facet (current-facet))
-       (define url (standard-localhost-server/tcp))
+       (define url (server-tcp-connection (host) (port) (scope)))
        (during (server-connected url)
          (on-start (log-info "Connected to server."))
          (on-stop (log-info "Disconnected from server."))