diff --git a/embed_video/backends.py b/embed_video/backends.py
index 639bdd0..b1e42b1 100644
--- a/embed_video/backends.py
+++ b/embed_video/backends.py
@@ -18,11 +18,6 @@ from .settings import EMBED_VIDEO_BACKENDS, EMBED_VIDEO_TIMEOUT, \
     EMBED_VIDEO_YOUTUBE_DEFAULT_QUERY
 
 
-def checkUrl(url):
-    r = requests.head(url)
-    return int(r.status_code) < 400
-
-
 class EmbedVideoException(Exception):
     """ Parental class for all embed_video exceptions """
     pass
@@ -313,7 +308,7 @@ class YoutubeBackend(VideoBackend):
     resolutions = [
         'maxresdefault.jpg',
         'sddefault.jpg',
-        'hqdefault.jpg'
+        'hqdefault.jpg',
         'mqdefault.jpg',
     ]
 
@@ -343,11 +338,9 @@ class YoutubeBackend(VideoBackend):
         for resolution in self.resolutions:
             temp_thumbnail_url = self.pattern_thumbnail_url.format(
                 code=self.code, protocol=self.protocol, resolution=resolution)
-            if checkUrl(temp_thumbnail_url):
+            if int(requests.head(temp_thumbnail_url).status_code) < 400:
                 return temp_thumbnail_url
-                break
-        return self.pattern_thumbnail_url.format(
-            code=self.code, protocol=self.protocol, resolution='hqdefault.jpg')
+        return None
 
 
 class VimeoBackend(VideoBackend):
diff --git a/embed_video/tests/backends/tests_youtube.py b/embed_video/tests/backends/tests_youtube.py
index c48732f..23d9e90 100644
--- a/embed_video/tests/backends/tests_youtube.py
+++ b/embed_video/tests/backends/tests_youtube.py
@@ -40,3 +40,9 @@ class YoutubeBackendTestCase(BackendTestMixin, TestCase):
         for url in self.urls:
             backend = self.instance(url[0])
             self.assertIn(url[1], backend.thumbnail)
+
+    def test_get_better_resolution_youtube(self):
+        backend = self.instance('https://www.youtube.com/watch?v=1Zo0-sWD7xE')
+        self.assertIn(
+            'img.youtube.com/vi/1Zo0-sWD7xE/maxresdefault.jpg',
+            backend.thumbnail)
diff --git a/embed_video/tests/django_settings.py b/embed_video/tests/django_settings.py
index e9b53cb..a1c8acf 100644
--- a/embed_video/tests/django_settings.py
+++ b/embed_video/tests/django_settings.py
@@ -9,6 +9,8 @@ STATIC_ROOT = MEDIA_ROOT = os.path.join(os.path.dirname(__file__), 'static')
 STATIC_URL = MEDIA_URL = '/static/'
 
 INSTALLED_APPS = (
+    'django.contrib.contenttypes',
+    'django.contrib.auth',
     'embed_video',
 )