diff --git a/scheme/httpd/core.scm b/scheme/httpd/core.scm
index 69e79d9..5e9fe81 100644
--- a/scheme/httpd/core.scm
+++ b/scheme/httpd/core.scm
@@ -327,7 +327,7 @@
 		     fqdn-cache)
 		 (begin
 		   (set! fqdn-cache (or (httpd-options-fqdn options)
-					(dns-lookup-ip (socket-address->string addr))
+					(dns-lookup-ip (socket-address->string addr #f))
 					(host-info:name (host-info addr))))
 		   (set! used-addr addr)
 		   (set! used-options options)