diff --git a/app/Models/Container.php b/app/Models/Container.php
index 9ff4fde8..e9acf41e 100644
--- a/app/Models/Container.php
+++ b/app/Models/Container.php
@@ -15,6 +15,8 @@ class Container extends AbstractModel implements Transportable
 
     protected $fillable = ['status'];
 
+    protected $dates = ['loading_date'];
+
     public function packingLists(): belongsToMany
     {
         return $this->belongsToMany(PackingList::class, ContainerPackingList::class, 'container_id', 'packing_list_id');