diff --git a/app/Models/Card.php b/app/Models/Card.php
index 5487b73..5df93c8 100644
--- a/app/Models/Card.php
+++ b/app/Models/Card.php
@@ -21,6 +21,15 @@ class Card extends Model
 
     protected $appends = ['subject', 'subject_type'];
 
+    /**
+     * The model's default values for attributes.
+     *
+     * @var array
+     */
+    protected $attributes = [
+        'jackpot' => false,
+    ];
+
     public $fillable = [
         'body',
         'character_id',