diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index fc76a6c..dd5ff8d 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -1325,6 +1325,12 @@
         req = Request("<URL:http://www.python.org>")
         self.assertEqual("www.python.org", req.get_host())
 
+    def test_quoted_full_url(self):
+        Request = urllib2.Request
+        request = Request('http://www.python.org/foo bar')
+        self.assertEqual(request.get_full_url(),
+                'http://www.python.org/foo%20bar')
+
     def test_url_fragment(self):
         req = Request("http://www.python.org/?qs=query#fragment=true")
         self.assertEqual("/?qs=query", req.get_selector())
diff --git a/Lib/urllib2.py b/Lib/urllib2.py
index d4596cd..944f622 100644
--- a/Lib/urllib2.py
+++ b/Lib/urllib2.py
@@ -110,7 +110,7 @@
     from StringIO import StringIO
 
 from urllib import (unwrap, unquote, splittype, splithost, quote,
-     addinfourl, splitport, splittag,
+     addinfourl, splitport, splittag, toBytes,
      splitattr, ftpwrapper, splituser, splitpasswd, splitvalue)
 
 # support for FileHandler, proxies via environment variables
@@ -196,7 +196,8 @@
     def __init__(self, url, data=None, headers={},
                  origin_req_host=None, unverifiable=False):
         # unwrap('<URL:type://host/path>') --> 'type://host/path'
-        self.__original = unwrap(url)
+        self.__original = unwrap(toBytes(url))
+        self.__original = quote(self.__original, safe="%/:=&?~#+!$,;'@()*[]|")
         self.__original, self.__fragment = splittag(self.__original)
         self.type = None
         # self.__r_type is what's left after doing the splittype
diff --git a/Misc/NEWS b/Misc/NEWS
index c5e2e92..7e6dadd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -84,6 +84,11 @@
 Library
 -------
 
+- Issue #14826: Quote urls in urllib2.Request identically to how they
+  are quoted by urllib.URLopener. Allows urls to spaces in them to work
+  transparently with urllib.request.urlopen(...). Patch contributed by Stephen
+  Thorne.
+
 - Issue #15247: FileIO now raises an error when given a file descriptor
   pointing to a directory.