diff --git a/src/olympic/keel/include/keel/typeconv.hpp b/src/olympic/keel/include/keel/typeconv.hpp
index 0ac46791..e9f2c2cc 100644
--- a/src/olympic/keel/include/keel/typeconv.hpp
+++ b/src/olympic/keel/include/keel/typeconv.hpp
@@ -132,19 +132,19 @@ template<auto Func>
 class ConverterFunc: public BaseConverter {
 	private:
 		template<typename SrcType, typename DstType>
-		struct ParamExtractor {
+		struct ParamPack {
 			using Src = SrcType;
 			using Dst = DstType;
 		};
 
 		template<typename S, typename D>
-		static auto makeParamExtractor(ox::Error (*)(keel::Context&, S&, D&)) {
-			return ParamExtractor<S, D>{};
+		static ParamPack<S, D> extractParams(ox::Error (*)(Context&, S&, D&)) {
+			return {};
 		}
 
 	public:
-		using SrcType = typename decltype(makeParamExtractor(Func))::Src;
-		using DstType = typename decltype(makeParamExtractor(Func))::Dst;
+		using SrcType = typename decltype(extractParams(Func))::Src;
+		using DstType = typename decltype(extractParams(Func))::Dst;
 
 		[[nodiscard]]
 		constexpr ox::StringView srcTypeName() const noexcept final {