diff --git a/lcs/root.ptl b/lcs/root.ptl
index 8ea4281..50f3267 100644
--- a/lcs/root.ptl
+++ b/lcs/root.ptl
@@ -99,7 +99,7 @@ class RootDirectory(Directory):
 
 
     def unlogged_page [html] (self):
-        form = Form(enctype='multipart/form-data')
+        form = Form(enctype='multipart/form-data', id = 'sso')
         form.add(HtmlWidget, '<div id="sso-options">')
         form.add(SingleSelectWidget, 'binding',
                 title = _('Protocol Binding for <Response>'),