diff -r 0a19e3214687 -r 514fce6626aa src/cm/templates/site/tracking.html
--- a/src/cm/templates/site/tracking.html	Tue Feb 11 12:04:59 2014 +0100
+++ b/src/cm/templates/site/tracking.html	Tue Feb 11 12:16:07 2014 +0100
@@ -39,5 +39,5 @@
 });
 -->
 </script>
-<div id="piwik-cookies-optout"><iframe frameborder="no" width="900px" height="120px" src="http://piwik.sopinspace.net/index.php?module=CoreAdminHome&action=optOut&language={{ LANGUAGE_CODE }}"></iframe></div>
+<div id="piwik-cookies-optout"><iframe frameborder="no" width="900px" height="120px" src="https://piwik.sopinspace.net/index.php?module=CoreAdminHome&action=optOut&language={{ LANGUAGE_CODE }}"></iframe></div>
 {% endif %}