diff --git a/packages/physics/rapier2d/tsup.config.ts b/packages/physics/rapier2d/tsup.config.ts
index 0f0bc799..c6117e11 100644
--- a/packages/physics/rapier2d/tsup.config.ts
+++ b/packages/physics/rapier2d/tsup.config.ts
@@ -6,7 +6,7 @@ export default defineConfig({
     dts: true,
     sourcemap: true,
     clean: true,
-    external: ["../pkg/rapier_wasm2d.js"],
+    external: [/\.\.\/pkg\/rapier_wasm2d/],
     loader: {
         ".wasm": "base64",
     },