diff --git a/src/EventQueue.php b/src/EventQueue.php
index f4a0fe0..7cc9a24 100644
--- a/src/EventQueue.php
+++ b/src/EventQueue.php
@@ -289,10 +289,10 @@ public function ircPart($channels, $message = null)
      * Implements \Phergie\Irc\GeneratorInterface->ircMode().
      *
      * @param string $target
-     * @param string $mode
-     * @param string $param
+     * @param string|null $mode
+     * @param string|null $param
      */
-    public function ircMode($target, $mode, $param = null)
+    public function ircMode($target, $mode = null, $param = null)
     {
         $this->queueIrcRequest('MODE', array($target, $mode, $param));
     }