Index: /branches/devel-vnext/program/include/rcube_shared.inc
===================================================================
--- /branches/devel-vnext/program/include/rcube_shared.inc	(revision 741)
+++ /branches/devel-vnext/program/include/rcube_shared.inc	(revision 742)
@@ -106,5 +106,5 @@
     else {
         $key  = 'HTTP_' . strtoupper(strtr($name, '-', '_'));
-        $hdrs = array_change_key_case($_SERVER[$key], CASE_UPPER);
+        $hdrs = array_change_key_case($_SERVER, CASE_UPPER);
     }
     if (isset($hdrs[$key])) {