diff --git a/test/test_utils.py b/test/test_utils.py
index 5f4fdb771..e5778cd83 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -188,6 +188,9 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(url_basename(u'http://foo.de/bar/baz?x=y'), u'baz')
         self.assertEqual(url_basename(u'http://foo.de/bar/baz#x=y'), u'baz')
         self.assertEqual(url_basename(u'http://foo.de/bar/baz/'), u'baz')
+        self.assertEqual(
+            url_basename(u'http://media.w3.org/2010/05/sintel/trailer.mp4'),
+            u'trailer.mp4')
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index a249c7ec1..2d12e2df9 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1087,7 +1087,7 @@ def remove_start(s, start):
 
 
 def url_basename(url):
-    m = re.match(r'(?:https?:|)//[^/]+/(?:[^/?#]+/)?([^/?#]+)/?(?:[?#]|$)', url)
+    m = re.match(r'(?:https?:|)//[^/]+/(?:[^?#]+/)?([^/?#]+)/?(?:[?#]|$)', url)
     if not m:
         return u''
     return m.group(1)