diff --git a/src/Illuminate/Validation/Concerns/ValidatesAttributes.php b/src/Illuminate/Validation/Concerns/ValidatesAttributes.php
index 86ee12f07f8a..a33a3c17c84d 100644
--- a/src/Illuminate/Validation/Concerns/ValidatesAttributes.php
+++ b/src/Illuminate/Validation/Concerns/ValidatesAttributes.php
@@ -277,13 +277,13 @@ protected function getDateFormat($attribute)
      * Get the date timestamp.
      *
      * @param  mixed  $value
-     * @return int
+     * @return int|null
      */
     protected function getDateTimestamp($value)
     {
         $date = is_null($value) ? null : $this->getDateTime($value);
 
-        return $date ? $date->getTimestamp() : null;
+        return $date?->getTimestamp();
     }
 
     /**