diff --git a/src/keel/media.hpp b/src/keel/media.hpp
index 0f760a03..94e2012d 100644
--- a/src/keel/media.hpp
+++ b/src/keel/media.hpp
@@ -95,6 +95,25 @@ void createUuidMapping(Context *ctx, const ox::String &filePath, const ox::UUID
 
 ox::Error buildUuidMap(Context *ctx) noexcept;
 
+template<typename T>
+ox::Result<AssetRef<T>> setAsset(keel::Context *ctx, ox::StringView assetId, T const&asset) noexcept {
+#ifndef OX_BARE_METAL
+	if (assetId.len() == 0) {
+		return OxError(1, "Invalid asset ID");
+	}
+	ox::UUIDStr idStr;
+	if (assetId[0] == '/') {
+		const auto [id, err] = ctx->pathToUuid.at(assetId);
+		oxReturnError(err);
+		idStr = id->toString();
+		assetId = idStr;
+	}
+	return ctx->assetManager.setAsset(assetId, asset);
+#else
+	return OxError(1, "Not supported on this platform");
+#endif
+}
+
 template<typename T>
 ox::Result<keel::AssetRef<T>> readObj(
 		keel::Context *ctx,
diff --git a/src/nostalgia/modules/core/src/studio/paletteeditor-imgui.cpp b/src/nostalgia/modules/core/src/studio/paletteeditor-imgui.cpp
index 4b9b7413..72504b2f 100644
--- a/src/nostalgia/modules/core/src/studio/paletteeditor-imgui.cpp
+++ b/src/nostalgia/modules/core/src/studio/paletteeditor-imgui.cpp
@@ -145,9 +145,7 @@ void PaletteEditorImGui::draw(turbine::Context*) noexcept {
 
 ox::Error PaletteEditorImGui::saveItem() noexcept {
 	const auto sctx = applicationData<studio::StudioContext>(*m_ctx);
-	oxReturnError(sctx->project->writeObj(m_itemPath, &m_pal));
-	oxReturnError(m_ctx->keelCtx.assetManager.setAsset(m_itemPath, m_pal));
-	return {};
+	return sctx->project->writeObj(m_itemPath, &m_pal);
 }
 
 }
diff --git a/src/nostalgia/modules/core/src/studio/tilesheeteditormodel.cpp b/src/nostalgia/modules/core/src/studio/tilesheeteditormodel.cpp
index 9ea429bb..a5967a11 100644
--- a/src/nostalgia/modules/core/src/studio/tilesheeteditormodel.cpp
+++ b/src/nostalgia/modules/core/src/studio/tilesheeteditormodel.cpp
@@ -773,8 +773,7 @@ void TileSheetEditorModel::ackUpdate() noexcept {
 
 ox::Error TileSheetEditorModel::saveFile() noexcept {
 	const auto sctx = applicationData<studio::StudioContext>(*m_ctx);
-	oxReturnError(sctx->project->writeObj(m_path, &m_img));
-	return m_ctx->keelCtx.assetManager.setAsset(m_path, m_img).error;
+	return sctx->project->writeObj(m_path, &m_img);
 }
 
 bool TileSheetEditorModel::pixelSelected(std::size_t idx) const noexcept {
diff --git a/src/studio/modlib/include/studio/project.hpp b/src/studio/modlib/include/studio/project.hpp
index 22888369..42b0889d 100644
--- a/src/studio/modlib/include/studio/project.hpp
+++ b/src/studio/modlib/include/studio/project.hpp
@@ -125,8 +125,10 @@ ox::Error Project::writeObj(const ox::StringView &path, const T *obj, ox::ClawFo
 		const auto typePath = ox::sfmt("/{}/{}", descPath, buildTypeId(*t));
 		oxReturnError(writeBuff(typePath, typeOut));
 	}
+	oxDebug(path);
+	oxReturnError(keel::setAsset(m_ctx, path, *obj));
 	fileUpdated.emit(path);
-	return OxError(0);
+	return {};
 }
 
 template<typename T>