diff --git a/examples/config.ini.example b/examples/config.ini.example
index 20a35da..9a8de61 100644
--- a/examples/config.ini.example
+++ b/examples/config.ini.example
@@ -16,6 +16,7 @@ proto = tcp, udp
 [maybe-a-webserver]
 addr = 2606:4700:20::681a:804, lowendtalk.com
 ports = 80, 443
+do_ipv6 = true
 
 [allow-anyone-to-access-mail-services]
 ports = 143, 993, 110, 995, 25, 465, 587