diff --git a/lib/OpenLayers/Request/XMLHttpRequest.js b/lib/OpenLayers/Request/XMLHttpRequest.js
index f5b932bcc6..abafa131d7 100644
--- a/lib/OpenLayers/Request/XMLHttpRequest.js
+++ b/lib/OpenLayers/Request/XMLHttpRequest.js
@@ -217,6 +217,9 @@
         }
     };
     function fXMLHttpRequest_send(oRequest) {
+        // always set the X-Requested-With:-header
+        // oRequest._object.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+        
         oRequest._object.send(oRequest._data);
 
         // BUGFIX: Gecko - missing readystatechange calls in synchronous requests