diff --git a/src/olympic/keel/include/keel/pack.hpp b/src/olympic/keel/include/keel/pack.hpp
index 3f7afe48..ed21ee25 100644
--- a/src/olympic/keel/include/keel/pack.hpp
+++ b/src/olympic/keel/include/keel/pack.hpp
@@ -94,7 +94,7 @@ ox::Error preloadObj(
 		oxOutf("preloading {} as a {}\n", path, obj.type()->typeName);
 		// preload
 		oxRequire(a, pl.startAlloc(ox::sizeOf<GbaPlatSpec>(&obj), ox::alignOf<GbaPlatSpec>(obj)));
-		auto const err = ox::preload<GbaPlatSpec, decltype(obj)>(&pl, &obj);
+		auto const err = ox::preload<GbaPlatSpec, ox::ModelObject>(&pl, &obj);
 		oxReturnError(pl.endAlloc());
 		oxReturnError(err);
 		keel::PreloadPtr const p{.preloadAddr = static_cast<uint32_t>(a)};