diff --git a/serendipity_plugin_twitter/classes/Twitter.php b/serendipity_plugin_twitter/classes/Twitter.php
index 130b3abf..3a7512e4 100644
--- a/serendipity_plugin_twitter/classes/Twitter.php
+++ b/serendipity_plugin_twitter/classes/Twitter.php
@@ -204,7 +204,7 @@ class Twitter {
 	"short_url_length":20
 }
      */
-    static function get_twitter_config() {
+    function get_twitter_config() {
         require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
         $config_url = "https://api.twitter.com/1/help/configuration.json";
 
diff --git a/serendipity_plugin_twitter/serendipity_event_twitter.php b/serendipity_plugin_twitter/serendipity_event_twitter.php
index bcb776d4..080208e2 100644
--- a/serendipity_plugin_twitter/serendipity_event_twitter.php
+++ b/serendipity_plugin_twitter/serendipity_event_twitter.php
@@ -1435,7 +1435,8 @@ a.twitter_update_time {
         $now = time();
         $daybefore = $now - (24 * 60 * 60); // One day in seconds
         if (empty($last_config_check) || $last_config_check<$daybefore) {
-            $config = Twitter::get_twitter_config();
+            $api = new Twitter();
+            $config = $api->get_twitter_config();
             if (!empty($config)) {
                 $max_http = $config->short_url_length;
                 $max_https = $config->short_url_length_https;