diff --git a/app/Http/Resources/ProductResource.php b/app/Http/Resources/ProductResource.php
index 278510d..ca54c89 100644
--- a/app/Http/Resources/ProductResource.php
+++ b/app/Http/Resources/ProductResource.php
@@ -80,7 +80,7 @@ class ProductResource extends JsonResource
                 'picture' => $this->product->picture,
                 'picture_alt' => $this->product->picture_alt,
                 'picture_title' => $this->product->picture_title,
-                'certification' => \optional($this->product->certification)->label,
+                'certification' => \optional($this->product->certification)->label(),
                 'origins' => $this->product->origins_enum->map(fn (OriginEnum $enum) => $enum->label())->implode(', '),
                 'claims' => $this->product->claims_enum->map(fn (ClaimEnum $enum) => $enum->label())->implode(', '),
                 'distribution_network' => $this->product->distribution_network->label(),