diff --git a/wagtail/wagtailembeds/embeds.py b/wagtail/wagtailembeds/embeds.py
index 5b3f59fc22..d66c5ebcc1 100644
--- a/wagtail/wagtailembeds/embeds.py
+++ b/wagtail/wagtailembeds/embeds.py
@@ -77,7 +77,9 @@ def embedly(url, max_width=None, key=None):
 
     # Return embed as a dict
     return {
-        'title': oembed['title'],
+        'title': oembed['title'] if 'title' in oembed else '',
+        'author_name': oembed['author_name'] if 'author_name' in oembed else '',
+        'provider_name': oembed['provider_name'] if 'provider_name' in oembed else '',
         'type': oembed['type'],
         'thumbnail_url': oembed.get('thumbnail_url'),
         'width': oembed.get('width'),
@@ -114,7 +116,9 @@ def oembed(url, max_width=None):
 
     # Return embed as a dict
     return {
-        'title': oembed['title'],
+        'title': oembed['title'] if 'title' in oembed else '',
+        'author_name': oembed['author_name'] if 'author_name' in oembed else '',
+        'provider_name': oembed['provider_name'] if 'provider_name' in oembed else '',
         'type': oembed['type'],
         'thumbnail_url': oembed.get('thumbnail_url'),
         'width': oembed.get('width'),