diff --git a/src/Traits/HasUlidKey.php b/src/Traits/HasUlidKey.php
index 5d1e882..27dc005 100644
--- a/src/Traits/HasUlidKey.php
+++ b/src/Traits/HasUlidKey.php
@@ -16,7 +16,7 @@ public static function bootHasUlidKey()
 
     public function getUlidFieldName()
     {
-        if (!empty($this->ulidFieldName)) {
+        if (! empty($this->ulidFieldName)) {
             return $this->ulidFieldName;
         }