diff --git a/src/Extension/CoreExtension.php b/src/Extension/CoreExtension.php
index 29fbc3a23..e3ab3ca62 100644
--- a/src/Extension/CoreExtension.php
+++ b/src/Extension/CoreExtension.php
@@ -519,7 +519,7 @@ function twig_date_converter(Environment $env, $date = null, $timezone = null)
     }
 
     if (null === $date || 'now' === $date) {
-        if ($date === null) {
+        if (null === $date) {
             $date = 'now';
         }
         return new \DateTime($date, false !== $timezone ? $timezone : $env->getExtension(CoreExtension::class)->getTimezone());