--- plus1/plus1.module	2010-04-15 13:02:27.000000000 -0700
+++ plus1/plus1.module.patched	2010-04-15 13:02:00.000000000 -0700
@@ -131,6 +131,7 @@
       'content_id' => $nid,
       'value_type' => 'points',
       'value' => 1,
+      'tag' => 'plus1',
     );
     votingapi_set_votes($votes);
     $criteria = array(
@@ -164,6 +165,7 @@
 function plus1_get_votes($nid, $uid) {
   $criteria['content_id'] = $nid;
   $criteria['value_type'] = 'points';
+  $criteria['tag'] = 'plus1';
   if ($uid == 0) {
     $criteria['vote_source'] = ip_address();
   }
@@ -186,6 +188,7 @@
   $criteria['content_id'] = $nid;
   $criteria['value_type'] = 'points';
   $criteria['function'] = 'sum';
+  $criteria['tag'] = 'plus1';
   $results = votingapi_select_results($criteria);
   if (empty($results)) {
     return 0;