diff --git a/phpgwapi/inc/horde/Horde/SyncML/State.php b/phpgwapi/inc/horde/Horde/SyncML/State.php
index 4921e16393..9f5c097320 100644
--- a/phpgwapi/inc/horde/Horde/SyncML/State.php
+++ b/phpgwapi/inc/horde/Horde/SyncML/State.php
@@ -630,20 +630,16 @@ class Horde_SyncML_State {
      */
     function getPreferedContentType($type)
     {
-#        if ($type == 'contacts') {
-#            return 'text/x-vcard';
-#        } elseif ($type == 'notes') {
-#            return 'text/x-vnote';
-#        } elseif ($type == 'tasks') {
-#            return 'text/x-vcalendar';
-#        } elseif ($type == 'calendar') {
-#            return 'text/x-vcalendar';
-#        }
         switch($type) {
         	case 'contacts':
         		return 'text/x-vcard';
         		break;
         		
+        	case 'sifcalendar':
+        	case './sifcalendar':
+        		return 'text/x-s4j-sife';
+        		break;
+        		
         	case 'sifcontacts':
         	case './sifcontacts':
         		return 'text/x-s4j-sifc';