diff --git a/Stdlib/Base/SmartDateTime.php b/Stdlib/Base/SmartDateTime.php
index 4276d1ca2..668955fde 100644
--- a/Stdlib/Base/SmartDateTime.php
+++ b/Stdlib/Base/SmartDateTime.php
@@ -14,7 +14,6 @@ declare(strict_types=1);
 
 namespace phpOMS\Stdlib\Base;
 
-use DateTimeZone;
 use phpOMS\Math\Functions\Functions;
 
 /**
@@ -48,12 +47,12 @@ class SmartDateTime extends \DateTime
     /**
      * Constructor.
      *
-     * @param string            $datetime DateTime string
-     * @param null|DateTimeZone $timezone Timezone
+     * @param string             $datetime DateTime string
+     * @param null|\DateTimeZone $timezone Timezone
      *
      * @since 1.0.0
      */
-    public function __construct(string $datetime = 'now', DateTimeZone $timezone = null)
+    public function __construct(string $datetime = 'now', \DateTimeZone $timezone = null)
     {
         $parsed = str_replace(
             ['Y', 'm', 'd'],