diff -u b/twitter_pull.class.inc b/twitter_pull.class.inc
--- b/twitter_pull.class.inc
+++ b/twitter_pull.class.inc
@@ -49,9 +49,10 @@
     if ($prefix == '@' && $slash !== FALSE) {
       $username = drupal_substr($this->twitkey, 1, $slash - 1);
       $listname = drupal_substr($this->twitkey, $slash + 1);
-      $url = 'https://api.twitter.com/1.1/lists/show.json';
-      $query = '?slug=' . urlencode($listname);
-      
+      $url = 'https://api.twitter.com/1.1/lists/statuses.json';
+      $query = '?slug=' . urlencode($listname)
+        . '&owner_screen_name=' . urlencode($username);
+
     }
     // if the first character is @, then consider the key a username
     elseif ($prefix == "@") {