diff --git a/tsup.config.ts b/tsup.config.ts
index 16a0b10..7d411c6 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -13,6 +13,7 @@ export default defineConfig({
   target: "es2022",
   splitting: false,
   outDir: "dist",
+  platform: "node",
   esbuildOptions(options) {
     options.jsx = "automatic";
     options.jsxImportSource = "preact";