diff --git a/test/models/product.hpp b/test/models/product.hpp
index c2dd794..31e8218 100644
--- a/test/models/product.hpp
+++ b/test/models/product.hpp
@@ -30,8 +30,8 @@ struct product {
         namespace field = matador::access;
         using namespace matador::utils;
         field::primary_key(op, "product_name", product_name, 255);
-        field::has_one(op, "supplier_id", supplier, utils::cascade_type::ALL);
-        field::has_one(op, "category_id", category, utils::cascade_type::ALL);
+        field::belongs_to(op, "supplier_id", supplier, utils::cascade_type::ALL);
+        field::belongs_to(op, "category_id", category, utils::cascade_type::ALL);
         field::attribute(op, "quantity_per_unit", quantity_per_unit, 255);
         field::attribute(op, "unit_price", unit_price);
         field::attribute(op, "units_in_stock", units_in_stock);