diff --git a/embed_video/backends.py b/embed_video/backends.py
index 270b529..99da59f 100644
--- a/embed_video/backends.py
+++ b/embed_video/backends.py
@@ -177,7 +177,6 @@ class YoutubeBackend(VideoBackend):
             (ytscreeningroom\?v=)?
             (feeds/api/videos/)?
             (user\S*[^\w\-\s])?
-            (\S*[^\w\-\s])?
             (?P<code>[\w\-]{11})[a-z0-9;:@?&%=+/\$_.-]*  # match and extract
         ''',
         re.I | re.X
diff --git a/embed_video/tests/tests_backend.py b/embed_video/tests/tests_backend.py
index 776df6a..1f2174f 100644
--- a/embed_video/tests/tests_backend.py
+++ b/embed_video/tests/tests_backend.py
@@ -49,6 +49,7 @@ class YoutubeBackendTestCase(BackendTestMixin, TestCase):
         ('https://www.youtube.com/watch?v=iwGFalTRHDA&feature=related', 'iwGFalTRHDA'),
         ('http://www.youtube.com/watch?feature=player_embedded&v=2NpZbaAIXag', '2NpZbaAIXag'),
         ('https://www.youtube.com/watch?feature=player_embedded&v=2NpZbaAIXag', '2NpZbaAIXag'),
+        ('https://www.youtube.com/watch?v=XPk521voaOE&feature=youtube_gdata_player', 'XPk521voaOE'),
     )
 
     instance = YoutubeBackend