diff --git a/django/contrib/admin/templates/admin/base.html b/django/contrib/admin/templates/admin/base.html
index 67fe27529c..300e5015e5 100644
--- a/django/contrib/admin/templates/admin/base.html
+++ b/django/contrib/admin/templates/admin/base.html
@@ -36,7 +36,7 @@
     <!-- Content -->
     <div id="content" class="{% block coltype %}colM{% endblock %}">
         {% block pretitle %}{% endblock %}
-        {% block content_title %}{% if title %}<h1>{{ title }}</h1>{% endif %}{% endblock %}
+        {% block content_title %}{% if title %}<h1>{{ title|escape }}</h1>{% endif %}{% endblock %}
         {% block content %}{{ content }}{% endblock %}
         {% block sidebar %}{% endblock %}
         <br class="clear" />