--- localizernode.module.orig	2008-02-26 09:31:10.000000000 +0100
+++ localizernode.module	2008-04-17 09:54:45.000000000 +0200
@@ -363,6 +363,8 @@
   global $user;
   $sql = array();
 
+  if (strlen($query) < 1) return $sql;
+
   $applylocalizer = ($primary_table == 'n');
   $applylocalizer = $applylocalizer && !preg_match('/' . $primary_table . '\.nid\s*=\s*\'?(%d|\d+)\'?/', $query);