diff --git a/src/nostalgia/foundation/typeconv.hpp b/src/nostalgia/foundation/typeconv.hpp
index 92bcc3de..fad5e612 100644
--- a/src/nostalgia/foundation/typeconv.hpp
+++ b/src/nostalgia/foundation/typeconv.hpp
@@ -154,7 +154,7 @@ ox::Result<ox::Buffer> convertBuffToBuff(foundation::Context *ctx, const ox::Buf
 template<typename From, typename To, ox::ClawFormat fmt = ox::ClawFormat::Metal>
 auto transformRule(foundation::Context *ctx, ox::Buffer *buff) -> ox::Error {
 	oxRequire(hdr, ox::readClawHeader(*buff));
-	const auto typeId = ox::buildTypeId(hdr.typeName, hdr.typeVersion);
+	const auto typeId = ox::buildTypeId(hdr.typeName, hdr.typeVersion, hdr.typeParams);
 	if (typeId == ox::buildTypeId<From>()) {
 		oxReturnError(foundation::convertBuffToBuff<To>(ctx, *buff, fmt).moveTo(buff));
 	}