diff --git a/addthis.module b/addthis.module
index 1504cf0..ad685be 100644
--- a/addthis.module
+++ b/addthis.module
@@ -303,7 +303,7 @@ function addthis_add_default_js($footer = FALSE) {
   }
   
   // Get the base configuration settings array.
-  $config = variable_get('addthis_config', array('ui_use_css' => TRUE, 'data_use_cookies' => TRUE,));
+  $config = variable_get('addthis_config', array('ui_use_css' => TRUE, 'data_use_cookies' => TRUE, 'data_track_clickback' => FALSE,));
   
   // If no pubid is given, use an anonymous pubid provided by AddThis.
   // The "email" service code doesn't work if this is not set to something.
@@ -318,6 +318,7 @@ function addthis_add_default_js($footer = FALSE) {
   // AddThis seems to be fairly strict about variable typing.
   $config['ui_use_css'] = (bool) $config['ui_use_css'];
   $config['data_use_cookies'] = (bool) $config['data_use_cookies'];
+  $config['data_track_clickback'] = (bool) $config['data_track_clickback'];
   
   // Not sure if this is still necessary.
   $config['data_use_flash'] = $config['data_use_cookies'];