diff --git a/app/views/wiki/history.rhtml b/app/views/wiki/history.rhtml
index 4481e8634..e6a262b85 100644
--- a/app/views/wiki/history.rhtml
+++ b/app/views/wiki/history.rhtml
@@ -1,6 +1,6 @@
 <%= wiki_page_breadcrumb(@page) %>
 
-<h2><%=h @page.pretty_title %></h2>
+<h2><%=h h(@page.pretty_title) %></h2>
 
 <h3><%= l(:label_history) %></h3>