diff --git a/backend/app/Http/Resources/ProductResource.php b/backend/app/Http/Resources/ProductResource.php
index 5bfa167..7c04dd6 100644
--- a/backend/app/Http/Resources/ProductResource.php
+++ b/backend/app/Http/Resources/ProductResource.php
@@ -24,6 +24,7 @@ class ProductResource extends JsonResource
             'sku' => $this->resource->sku,
             'short_description' => $this->resource->short_description,
             'description' => $this->resource->description,
+            'thumbnail_url' => $this->resource->thumbnail_path ?? null,
             'price' => $this->resource->price,
             'stock_quantity' => $this->resource->stock_quantity,
             'active' => $this->resource->active,