Index: branches/release-33/lib/MT/CMS/Category.pm
===================================================================
--- branches/release-33/lib/MT/CMS/Category.pm (revision 1369)
+++ branches/release-33/lib/MT/CMS/Category.pm (revision 1773)
@@ -142,5 +142,5 @@
     if ( my $moved_cat_id = $q->param('move_cat_id') ) {
         $cat = $class->load( $q->param('move_cat_id') );
-        $app->move_category() or return;
+        move_category($app) or return;
     }
     else {