diff --git a/tests/ApiHandlerTest.php b/tests/ApiHandlerTest.php
index 46e2528..ec510f5 100644
--- a/tests/ApiHandlerTest.php
+++ b/tests/ApiHandlerTest.php
@@ -52,7 +52,7 @@ public function testRegisterNull() {
      * @expectedException \InvalidArgumentException
      */
     public function testRegisterSubclassOfHandler() {
-        $this->api()->registerHandler( new stdClass() );
+        $this->api()->registerHandler( 'stdClass' );
     }
 
     /**