diff --git a/tests/unit/Wamp/TopicTest.php b/tests/unit/Wamp/TopicTest.php
index 0a2102b..02bdd2d 100644
--- a/tests/unit/Wamp/TopicTest.php
+++ b/tests/unit/Wamp/TopicTest.php
@@ -57,7 +57,7 @@ class TopicTest extends \PHPUnit_Framework_TestCase {
         $topic->add($first);
         $topic->add($second);
 
-        $topic->broadcast($msg);
+        $topic->broadcast($msg, array(), array());
     }
 
     public function testIterator() {
@@ -109,4 +109,4 @@ class TopicTest extends \PHPUnit_Framework_TestCase {
     protected function newConn() {
         return new WampConnection($this->getMock('\\Ratchet\\ConnectionInterface'));
     }
-}
\ No newline at end of file
+}