diff --git a/library/include/larra/serialization/auto.hpp b/library/include/larra/serialization/auto.hpp
index cdf9352..61ac835 100644
--- a/library/include/larra/serialization/auto.hpp
+++ b/library/include/larra/serialization/auto.hpp
@@ -34,7 +34,9 @@ constexpr auto Serialize(xmlpp::Element* node, const T& element) -> void
 template <typename T>
 constexpr auto Serialize(xmlpp::Element* node, const T& element) -> void;
 
-struct AttributeConfig {};
+struct AttributeConfig {
+  auto operator==(const AttributeConfig&) const -> bool = default;
+};
 
 template <typename T>
 struct MetaInfo {