diff --git a/app/Http/Resources/MappableTransactionResource.php b/app/Http/Resources/MappableTransactionResource.php
index 2b1486da..447e6150 100644
--- a/app/Http/Resources/MappableTransactionResource.php
+++ b/app/Http/Resources/MappableTransactionResource.php
@@ -37,6 +37,7 @@ class MappableTransactionResource extends JsonResource
             'owner_type' => Transaction::class,
             'owner_id'=> $this->id,
             'owner_reference'=> $reference,
+            'created_at'=> $this->created_at, // invoice date
         ];
     }
 }