diff --git a/app/Http/Resources/ContainerResource.php b/app/Http/Resources/ContainerResource.php
index 64e77421..d89e09df 100644
--- a/app/Http/Resources/ContainerResource.php
+++ b/app/Http/Resources/ContainerResource.php
@@ -16,7 +16,7 @@ class ContainerResource extends JsonResource
      */
     public function toArray($request)
     {
-        dd($this->packingLists->whereHas('packages'));
+        dd($this->packingLists()->whereHas('packages'));
         return [
             'id' => $this->id,
             'container_reference' => $this->reference,