diff --git a/lib/Horde/Rpc/ActiveSync.php b/lib/Horde/Rpc/ActiveSync.php
index c0a7881..06ec37d 100644
--- a/lib/Horde/Rpc/ActiveSync.php
+++ b/lib/Horde/Rpc/ActiveSync.php
@@ -103,10 +103,12 @@ public function getResponse($request)
             }
             if (stripos($serverVars['REQUEST_URI'], 'autodiscover/autodiscover') !== false) {
                 try {
-                    if (!$this->_server->handleRequest('Autodiscover', null)) {
+                    $result = $this->_server->handleRequest('Autodiscover', null);
+                    if (!$result) {
                         $this->_logger->err('Unknown error during Autodiscover.');
                         throw new Horde_Exception('Unknown Error');
                     }
+                    $this->_contentType = $result;
                 } catch (Horde_Exception_AuthenticationFailure $e) {
                     $this->_sendAuthenticationFailedHeaders($e);
                     exit;