Index: google_plusone/google_plusone.module
===================================================================
--- google_plusone/google_plusone.module	(revision 6829)
+++ google_plusone/google_plusone.module	(working copy)
@@ -274,7 +274,7 @@
 
     case 'list':
       $blocks[0]['info'] = t('Google +1 Button');
-      $blocks[0]['cache'] = DRUPAL_NO_CACHE;
+      $blocks[0]['cache'] = BLOCK_NO_CACHE;
       return $blocks;
       break;