diff --git a/src/Context/DateTimeTrait.php b/src/Context/DateTimeTrait.php
index 5a1a1ad..080e82a 100644
--- a/src/Context/DateTimeTrait.php
+++ b/src/Context/DateTimeTrait.php
@@ -12,11 +12,8 @@ private function unixTimeToDateTime(?float $microtime): ?\DateTimeImmutable
         }
 
         $datetime = \DateTimeImmutable::createFromFormat('U.u', number_format($microtime, 6, '.', '')) ?: null;
-        if ($datetime === null) {
-            return null;
-        }
 
-        return $datetime->setTimezone(new \DateTimeZone(date_default_timezone_get()));
+        return $datetime?->setTimezone(new \DateTimeZone(date_default_timezone_get()));
     }
 
 }