diff --git a/common/lib/xmodule/xmodule/tests/test_video.py b/common/lib/xmodule/xmodule/tests/test_video.py
index 8fc4aabef3..490e65ef6b 100644
--- a/common/lib/xmodule/xmodule/tests/test_video.py
+++ b/common/lib/xmodule/xmodule/tests/test_video.py
@@ -272,7 +272,7 @@ class VideoDescriptorImportTestCase(unittest.TestCase):
             'end_time': datetime.timedelta(seconds=0.0),
             'track': '',
             'download_track': False,
-            'download_video': False,
+            'download_video': True,
             'html5_sources': ['http://www.example.com/source.mp4'],
             'data': ''
         })
diff --git a/common/lib/xmodule/xmodule/video_module.py b/common/lib/xmodule/xmodule/video_module.py
index 9764066141..0ed9303403 100644
--- a/common/lib/xmodule/xmodule/video_module.py
+++ b/common/lib/xmodule/xmodule/video_module.py
@@ -563,6 +563,10 @@ class VideoDescriptor(VideoFields, TabsEditingDescriptor, EmptyDataRawDescriptor
                     value = deserialize_field(cls.fields[attr], value)
                 field_data[attr] = value
 
+        # Add `source` for backwards compatibility if xml doesn't  have `download_video`.
+        if 'download_video' not in field_data and sources:
+            field_data['source'] = field_data['html5_sources'][0]
+
         return field_data
 
 
diff --git a/lms/djangoapps/courseware/tests/test_video_mongo.py b/lms/djangoapps/courseware/tests/test_video_mongo.py
index e6a24154bd..b5b277cb43 100644
--- a/lms/djangoapps/courseware/tests/test_video_mongo.py
+++ b/lms/djangoapps/courseware/tests/test_video_mongo.py
@@ -198,6 +198,7 @@ class TestGetHtmlMethod(BaseTestXmodule):
             'end': 3610.0,
             'id': None,
             'sources': {
+                'main': u'example.mp4',
                 u'mp4': u'example.mp4',
                 u'webm': u'example.webm'
             },