diff --git a/lighttpd.conf b/lighttpd.conf
index fa0cfb2..2bf043f 100644
--- a/lighttpd.conf
+++ b/lighttpd.conf
@@ -1,6 +1,7 @@
 include "/etc/lighttpd/mime-types.conf"
 
 server.port            = env.PORT
+$SERVER["socket"] == "[::]:" + env.PORT {  }
 server.modules         = ( "mod_alias" )
 server.username        = "lighttpd"
 server.groupname       = "lighttpd"