diff --git a/scheme/httpd/cgi-server.scm b/scheme/httpd/cgi-server.scm
index 825b68c..42e13c1 100644
--- a/scheme/httpd/cgi-server.scm
+++ b/scheme/httpd/cgi-server.scm
@@ -263,7 +263,7 @@
 		 (request-method req))
 
     (if loc
-	(if (uri-has-protocol? (string-trim loc))
+	(if (absolute-url? (url-string->http-url (string-trim loc)))
 	    (make-error-response (status-code moved-perm) req loc)
 	    (make-redirect-response (string-trim loc)))
 	;; Send the response header back to the client
@@ -286,9 +286,6 @@
    (make-writer-body (lambda (out options)
 		       (copy-inport->outport script-port out)))))
 
-(define (uri-has-protocol? loc)
-  (if  (http-url-host (url-string->http-url loc)) #t #f))
-
 (define (extract-status-code-and-text status req)
   (with-fatal-error-handler*
    (lambda (c d)
diff --git a/scheme/lib/url.scm b/scheme/lib/url.scm
index 0bd870a..16880bc 100644
--- a/scheme/lib/url.scm
+++ b/scheme/lib/url.scm
@@ -1,6 +1,7 @@
 ;;; HTTP 1.1 Request-URI parsing and unparsing -*- Scheme -*-
 
-;;; Copyright (c) 2005 by Viola Brunner.
+;;; This file is part of the Scheme Untergrund Networking package.
+
 ;;; For copyright information, see the file COPYING which comes with
 ;;; the distribution.
 
@@ -252,6 +253,9 @@
   (path http-url-path)
   (query http-url-query))
 
+;;; Is http-url of the form http_URL, i.e. absolute?
+(define (absolute-url? http-url)
+  (http-url-host http-url))
 
 ;;; parse a HTTP 1.1. Request_URI into a http-url record