diff --git a/Lib/urllib2.py b/Lib/urllib2.py
index 121685c..7b209d4 100644
--- a/Lib/urllib2.py
+++ b/Lib/urllib2.py
@@ -560,6 +560,14 @@
             newurl = headers.getheaders('uri')[0]
         else:
             return
+
+        # fix a possible malformed URL
+        urlparts = urlparse.urlparse(newurl)
+        if not urlparts.path:
+            urlparts = list(urlparts)
+            urlparts[2] = "/"
+        newurl = urlparse.urlunparse(urlparts)
+
         newurl = urlparse.urljoin(req.get_full_url(), newurl)
 
         # XXX Probably want to forget about the state of the current
diff --git a/Misc/NEWS b/Misc/NEWS
index 7736ca7..08ee9f9 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -48,6 +48,9 @@
 Library
 -------
 
+- Issue 2464. urllib2 now supports a malformation in the URL received
+  in a redirect.
+
 - Silence the DeprecationWarning raised when importing mimetools in
   BaseHTTPServer, cgi (and rfc822), httplib.