diff --git a/war/resources/scripts/hudson-behavior.js b/war/resources/scripts/hudson-behavior.js
index 261b6a57d241256ec8bc3e185ae2bb7fa63aaff3..df2042d4eaefb1a25322ed438186bfa9e6cede1b 100644
--- a/war/resources/scripts/hudson-behavior.js
+++ b/war/resources/scripts/hudson-behavior.js
@@ -416,7 +416,7 @@ var hudsonRules = {
     "FORM" : function(form) {
         // add the hidden 'json' input field, which receives the form structure in JSON
         var div = document.createElement("div");
-        div.innerHTML = "<input type=hidden name=json>";
+        div.innerHTML = "<input type=hidden name=json value=init>";
         form.appendChild(div);
         
         form.onsubmit = function() { buildFormTree(this) };