diff --git a/um_wasm_loader/src/loader.mjs b/um_wasm_loader/src/loader.mjs
index d4f6de3..ddd1565 100644
--- a/um_wasm_loader/src/loader.mjs
+++ b/um_wasm_loader/src/loader.mjs
@@ -11,7 +11,7 @@ function loader() {
     const url = new URL('um_wasm_bg.wasm', import.meta.url);
     const wasm =
       url.protocol === 'file:'
-        ? import('node:f' + 's/promises')
+        ? import(/* @vite-ignore */ 'node:f' + 's/promises')
             .then((fs) => fs.readFile(url))
             .catch((err) => {
               console.log('read wasm failed', err);