diff --git a/app/serializers/commentaire_serializer.rb b/app/serializers/commentaire_serializer.rb
index c7366b65b..19360bfdf 100644
--- a/app/serializers/commentaire_serializer.rb
+++ b/app/serializers/commentaire_serializer.rb
@@ -1,5 +1,10 @@
 class CommentaireSerializer < ActiveModel::Serializer
   attributes :email,
     :body,
-    :created_at
+    :created_at,
+    :attachment
+
+  def attachment
+    object.file_url
+  end
 end