Index: /branches/release-41/lib/MT/App.pm
===================================================================
--- /branches/release-41/lib/MT/App.pm (revision 2725)
+++ /branches/release-41/lib/MT/App.pm (revision 2741)
@@ -994,5 +994,5 @@
                 userpic => scalar $commenter->userpic_url,
                 profile => "", # profile link url
-                is_authenticated => "1",
+                is_authenticated => ($commenter->auth_type eq 'MT' ? "1" : "2"),
                 is_trusted => ($commenter->is_trusted($blog_id) ? "1" : "0"),
                 is_author => ($commenter->type == MT::Author::AUTHOR() ? "1" : "0"),