--- node.module	2007-01-24 18:59:43.000000000 +0100
+++ node.module.patched	2007-01-24 19:04:14.000000000 +0100
@@ -2365,8 +2365,13 @@
 /**
  * Menu callback; Generate a listing of promoted nodes.
  */
-function node_page_default() {
-
+function node_page_default($validateargs = true) {
+  if ($validateargs) {
+    if (!empty(arg(1)) {
+      drupalnot_found();
+      return;
+    }
+  }
   $result = pager_query(db_rewrite_sql('SELECT n.nid, n.sticky, n.created FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.sticky DESC, n.created DESC'), variable_get('default_nodes_main', 10));
 
   if (db_num_rows($result)) {