diff --git a/Listener/Notifier.php b/Listener/Notifier.php
index 2150381..6021f32 100644
--- a/Listener/Notifier.php
+++ b/Listener/Notifier.php
@@ -76,7 +76,7 @@ public function onKernelException(GetResponseForExceptionEvent $event)
                 $this->createMailAndSend($exception, $event->getRequest());
             }
         } else {
-            $sendMail = (!in_array(get_class($exception), $this->ignoredClasses));
+            $sendMail = !in_array(get_class($exception), $this->ignoredClasses);
 
             if ($sendMail === true) {
                 $this->createMailAndSend($exception, $event->getRequest());