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-rw-r--r--synapse/rest/media/v1/preview_url_resource.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 6a5a57102f..99760d622f 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -381,7 +381,10 @@ def _calc_og(tree, media_uri):
     if 'og:title' not in og:
         # do some basic spidering of the HTML
         title = tree.xpath("(//title)[1] | (//h1)[1] | (//h2)[1] | (//h3)[1]")
-        og['og:title'] = title[0].text.strip() if title else None
+        if title and title[0].text is not None:
+            og['og:title'] = title[0].text.strip()
+        else:
+            og['og:title'] = None
 
     if 'og:image' not in og:
         # TODO: extract a favicon failing all else