diff --git a/render b/render
index 96eea56..03a5801 100755
--- a/render
+++ b/render
@@ -51,7 +51,7 @@ for message_id, sender, recipient, subject, timestamp, textbody, htmlbody, sha1_
available_html = True
versions['HTML'] = '%s_html.html' % sha1_hash
- version_list = "".join(['%s' % (value, key) for key, value in versions.viewitems()])
+ version_list = "".join('%s' % (value, key) for key, value in versions.viewitems())
if available_text:
# Text version