--- a/web/data/cubicweb.edition.js	Tue Mar 17 12:35:45 2015 +0100
+++ b/web/data/cubicweb.edition.js	Tue Mar 17 12:34:07 2015 +0100
@@ -21,14 +21,14 @@
  */
 
 function setPropValueWidget(varname, tabindex) {
-    var key = firstSelected(document.getElementById('pkey:' + varname));
+    var key = firstSelected(document.getElementById('pkey-subject:' + varname));
     if (key) {
         var args = {
             fname: 'prop_widget',
             pageid: pageid,
-            arg: $.map([key, varname, tabindex], JSON.stringify)
+            arg: $.map([key.value, varname, tabindex], JSON.stringify)
         };
-        cw.jqNode('div:value:' + varname).loadxhtml(AJAX_BASE_URL, args, 'post');
+        cw.jqNode('div:value-subject:' + varname).loadxhtml(AJAX_BASE_URL, args, 'post');
     }
 }