diff --git a/ChangeLog b/ChangeLog
index d3144ee57b..8199b1cb55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Feb  5 18:54:54 2003  Tanaka Akira  <akr@m17n.org>
+
+	* lib/open-uri.rb: Location: field may has a relative URI.
+	pointed out by erik eriksson <ee@opera.com>.
+
 Wed Feb  5 17:11:02 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (yylex): no .<digit> floating literal anymore.
diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index 2a72062574..e8cb3a24b2 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -130,7 +130,13 @@ module OpenURI
         uri.direct_open(buf, header)
       end
     rescue Redirect
-      uri = $!.uri
+      loc = $!.uri
+      if loc.relative?
+        # Although it violates RFC 2616, Location: field may have relative URI.
+        # It is converted to absolute URI using uri.
+        loc = uri + loc
+      end
+      uri = loc
       raise "HTTP redirection loop: #{uri}" if uri_set.include? uri.to_s
       uri_set[uri.to_s] = true 
       retry