diff --git a/lib/OpenLayers/Format/WFS.js b/lib/OpenLayers/Format/WFS.js
index ac3c7f7e43..9e269b833f 100644
--- a/lib/OpenLayers/Format/WFS.js
+++ b/lib/OpenLayers/Format/WFS.js
@@ -47,6 +47,8 @@ OpenLayers.Format.WFS.prototype =
     write: function(features) {
         
         var transaction = document.createElementNS('http://www.opengis.net/wfs', 'wfs:Transaction');
+		transaction.setAttribute("version","1.0.0");
+		transaction.setAttribute("service","WFS");
         for (var i=0; i < features.length; i++) {
             switch (features[i].state) {
                 case OpenLayers.State.INSERT: