diff --git a/EpiTwitter.php b/EpiTwitter.php
index a5e9e94..3cdf940 100644
--- a/EpiTwitter.php
+++ b/EpiTwitter.php
@@ -73,7 +73,7 @@ public function __construct($consumerKey = null, $consumerSecret = null, $oauthT
     $this->setToken($oauthToken, $oauthTokenSecret);
   }
 
-  public function __call($name, $params = null/*, $username, $password*/)
+  public function __call($name, $params/*, $username, $password*/)
   {
     $parts  = explode('_', $name);
     $method = strtoupper(array_shift($parts));