diff --git a/lib/Cake/Test/Case/Network/Email/SmtpTransportTest.php b/lib/Cake/Test/Case/Network/Email/SmtpTransportTest.php
index bff8932e4..7e1ba2b2f 100644
--- a/lib/Cake/Test/Case/Network/Email/SmtpTransportTest.php
+++ b/lib/Cake/Test/Case/Network/Email/SmtpTransportTest.php
@@ -88,7 +88,7 @@ class SmtpTransportTest extends CakeTestCase {
 
 		$this->SmtpTransport = new SmtpTestTransport();
 		$this->SmtpTransport->setSocket($this->socket);
-		$this->SmtpTransport->config();
+		$this->SmtpTransport->config(array('client' => 'localhost'));
 	}
 
 /**