--- googleanalytics.admin.inc	2012-03-27 13:08:22.000000000 +1100
+++ googleanalytics.admin.inc.new	2012-03-27 13:08:01.000000000 +1100
@@ -585,6 +585,9 @@
     'user:url]',
     'user:path]',
   );
+  
+  // Allow other modules to change this list depending on their needs
+  drupal_alter('googleanalytics_forbidden_tokens', $token_blacklist, $token_string);
 
   return preg_match('/' . implode('|', array_map('preg_quote', $token_blacklist)) . '/i', $token_string);
 }