diff --git a/feed.xml b/feed.xml
index 214be81..c75cfa5 100644
--- a/feed.xml
+++ b/feed.xml
@@ -16,7 +16,7 @@ layout: null
 
  {% for post in site.posts %}
  <entry>
-   <title>{{ post.title }}</title>
+   <title>{{ post.title | xml_escape }}</title>
    <link href="http://fnordig.de{{ post.url }}"/>
    <updated>{{ post.date | date_to_xmlschema }}</updated>
    <id>http://fnordig.de{{site.baseurl}}{{ post.url | replace_first: '/'}}</id>