diff --git a/reviewboard/notifications/templatetags/markdown_email.py b/reviewboard/notifications/templatetags/markdown_email.py
index 0960dcbdbf305331eb05959d7fff5c36239b2385..3cdd164e8a32654891debcd625dc4a1248947f9a 100644
--- a/reviewboard/notifications/templatetags/markdown_email.py
+++ b/reviewboard/notifications/templatetags/markdown_email.py
@@ -90,7 +90,7 @@ def markdown_email_html(text, is_rich_text):
     marked = markdown.markdown(
         text,
         extensions=['fenced_code', 'codehilite(noclasses=True)', 'tables',
-                    'nl2br', InlineStyleExtension()],
+                    InlineStyleExtension()],
         output_format='xhtml1',
         safe_mode='escape')
     return mark_safe(marked)