diff --git a/ftpd.scm b/ftpd.scm
index 55788d8..128420b 100644
--- a/ftpd.scm
+++ b/ftpd.scm
@@ -499,22 +499,24 @@
 				  (format-internet-host-address host-address ",")
 				  (format-port port))))))))
 
-; This doesn't look right.  But I can't look into the socket of the
-; control connection if we're running under inetd---there's no way to
-; coerce a port to a socket as there is in C.
+;; This doesn't look right.  But I can't look into the socket of the
+;; control connection if we're running under inetd---there's no way to
+;; coerce a port to a socket as there is in C.
 
 (define (this-host-address)
   (car (host-info:addresses (host-info (system-name)))))
 
-(define (format-internet-host-address address)
+(define (format-internet-host-address address . maybe-separator)
 
   (define (extract shift)
     (number->string
      (bitwise-and (arithmetic-shift address (- shift))
 		  255)))
 
-  (string-append
-   (extract 24) "." (extract 16) "." (extract 8) "." (extract 0)))
+  (let ((separator (optional maybe-separator ".")))
+    (string-append
+     (extract 24) separator (extract 16) separator
+     (extract 8) separator (extract 0))))
 
 (define (format-port port)
   (string-append
@@ -808,7 +810,7 @@
 
 ; Version
 
-(define *ftpd-version* "$Revision: 1.13 $")
+(define *ftpd-version* "$Revision: 1.14 $")
 
 (define (copy-port->port-binary input-port output-port)
   (let ((buffer (make-string *window-size*)))