diff --git a/app/Mylog.php b/app/Mylog.php
index aff8177d..66c55214 100644
--- a/app/Mylog.php
+++ b/app/Mylog.php
@@ -6,7 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 
 class Mylog extends Model
 {
-    public $subject = '*** PROD: ';
+    public static $subject = '*** PROD: ';
 
     public static function getSubjectEmail(string $subject) {
         return self::$subject . " " . $subject;