--- a/web/data/cubicweb.preferences.js	Tue Jan 19 18:20:43 2010 +0100
+++ b/web/data/cubicweb.preferences.js	Wed Jan 20 10:13:02 2010 +0100
@@ -134,7 +134,7 @@
     jQuery('form').each(function() {
 	var form = jQuery(this);
 	//freezeFormButtons(form.attr('id'));
-	form.find('input.validateButton').attr('disabled', 'disabled');
+	form.find('.validateButton').attr('disabled', 'disabled');
 	form.find('input[type=text]').keyup(function(){
 	    checkValues(form);
 	});