--- relatedlinks.module.original	2010-12-10 23:02:21.000000000 -0700
+++ relatedlinks.module	2011-05-12 10:15:27.000000000 -0700
@@ -123,12 +123,13 @@
       $link_types = variable_get('relatedlinks_types', _relatedlinks_get_type_defaults());
       $top = TRUE;
       foreach ($link_types as $type => $config) {
         if ($config['enabled'] && ($config['block'] || $top)) {
           $top = FALSE;
           $blocks[$type]['info'] = t('Related links: ') . check_plain($config['name']);
+          $blocks[$type]['cache'] = BLOCK_CACHE_PER_NODE;
         }
       }
 
       return $blocks;
     case 'view':
       // This is only valid if we're looking at a node now.