diff --git a/calendar/inc/footer.inc.php b/calendar/inc/footer.inc.php
index a1127bcfb8..c38cb0074a 100644
--- a/calendar/inc/footer.inc.php
+++ b/calendar/inc/footer.inc.php
@@ -12,7 +12,7 @@
   \**************************************************************************/
 
   if ($friendly) {
-     include($phpgw_info["server"]["core_include_root"]."/footer.inc.php");
+     include($phpgw_info["server"]["api_dir"]."/footer.inc.php");
      exit;
   }