diff --git a/src/GitList/Application.php b/src/GitList/Application.php
index 7f7e2cd..99e97f8 100644
--- a/src/GitList/Application.php
+++ b/src/GitList/Application.php
@@ -48,6 +48,7 @@ class Application extends SilexApplication
         $this->register(new RoutingUtilServiceProvider());
 
         $this['twig'] = $this->share($this->extend('twig', function($twig, $app) {
+            $twig->addFilter('htmlentities', new \Twig_Filter_Function('htmlentities'));
             $twig->addFilter('md5', new \Twig_Filter_Function('md5'));
 
             return $twig;
diff --git a/views/file.twig b/views/file.twig
index 8b530d2..71adbec 100644
--- a/views/file.twig
+++ b/views/file.twig
@@ -24,7 +24,7 @@
         <div class="readme-view"><div id="readme-content">{{ blob }}</div></div>
 
         {% else %}
-        <pre id="sourcecode" language="{{ fileType }}">{{ blob }}</pre>
+        <pre id="sourcecode" language="{{ fileType }}">{{ blob|htmlentities|raw }}</pre>
         {% endif %}
     </div>