diff --git a/scripts/build/hacks/build-oxc-wasm-parser.js b/scripts/build/hacks/build-oxc-wasm-parser.js
index 902f101f3..9c9d5d258 100644
--- a/scripts/build/hacks/build-oxc-wasm-parser.js
+++ b/scripts/build/hacks/build-oxc-wasm-parser.js
@@ -40,7 +40,7 @@ async function install(version) {
 }
 
 const wasmUrlPattern =
-  /const __wasmUrl = new URL\("(?<wasmFile>.\/[a-z0-9.-]+\.wasm)", import\.meta\.url\)\.href;/;
+  /const __wasmUrl = new URL\("(?<wasmUrl>.\/[a-z0-9.-]+\.wasm)", import\.meta\.url\)\.href;/;
 async function buildEntry(directory) {
   const packageDirectory = new URL(
     "./node_modules/@oxc-parser/binding-wasm32-wasi/",
@@ -70,15 +70,14 @@ async function buildEntry(directory) {
     ${text.slice(moduleEnd)}
   `;
 
-  const { wasmFile } = text.match(wasmUrlPattern).groups;
+  const { wasmUrl } = text.match(wasmUrlPattern).groups;
+  const wasmFile = new URL(wasmUrl, entryFile);
 
-  const wasmBase64String = await fs.readFile(
-    new URL(wasmFile, entryFile),
-    "base64",
-  );
+  const wasmBase64String = await fs.readFile(wasmFile, "base64");
 
   text = outdent`
     import { decode as __decode } from "base64-arraybuffer-es6";
+
     const __base64ToArrayBuffer = Uint8Array.fromBase64
       ? (string) => Uint8Array.fromBase64(string).buffer
       : __decode;
@@ -89,7 +88,11 @@ async function buildEntry(directory) {
   text = text.replace(wasmUrlPattern, "");
   text = text.replace(
     "await fetch(__wasmUrl).then((res) => res.arrayBuffer())",
-    `/* "${wasmFile}" */ __base64ToArrayBuffer(${JSON.stringify(wasmBase64String)})`,
+    outdent`
+      __base64ToArrayBuffer(
+        /* "${wasmUrl}" */ ${JSON.stringify(wasmBase64String)}
+      )
+    `,
   );
 
   text = text.replaceAll(
diff --git a/scripts/build/packages/plugin-yuku.js b/scripts/build/packages/plugin-yuku.js
index 6c7c3c040..d70060c3b 100644
--- a/scripts/build/packages/plugin-yuku.js
+++ b/scripts/build/packages/plugin-yuku.js
@@ -1,5 +1,6 @@
 import fs from "node:fs/promises";
 import path from "node:path";
+import { pathToFileURL } from "node:url";
 import { outdent } from "outdent";
 import { DIST_DIR, PACKAGES_DIRECTORY } from "../../utilities/index.js";
 import { createJavascriptModuleBuilder } from "../builders/javascript-module.js";
@@ -45,37 +46,38 @@ const mainModule = {
           },
           {
             module: getPackageFile("@yuku-parser/wasm"),
-            async process(text) {
+            async process(text, file) {
               const wasmUrlPattern =
-                /const wasmUrl = new URL\("(?<wasmFile>.\/.+\.wasm)", import\.meta\.url\);/;
-              const { wasmFile } = text.match(wasmUrlPattern).groups;
-              const wasmBase64String = await fs.readFile(
-                getPackageFile(`@yuku-parser/wasm/${wasmFile}`),
-                "base64",
-              );
-
-              text = text.replace('import("node:fs/promises")', "whatever");
-              text = text.replace(wasmUrlPattern, "");
-
-              text = text.replace(
-                "const { memory, alloc, free, parse: wasmParse } = (await instantiate()).exports;",
-                outdent`
-                  const module = new WebAssembly.Module((wasmBinary));
-                  const instance = new WebAssembly.Instance(module);
-                  const { memory, alloc, free, parse: wasmParse } = instance.exports;
-                `,
-              );
+                /const wasmUrl = new URL\("(?<wasmUrl>.\/[a-z0-9.-]+\.wasm)", import\.meta\.url\);/;
+              const { wasmUrl } = text.match(wasmUrlPattern).groups;
+              const wasmFile = new URL(wasmUrl, pathToFileURL(file));
+              const wasmBase64String = await fs.readFile(wasmFile, "base64");
 
               text = outdent`
                 import { decode as __decode } from "base64-arraybuffer-es6";
+
                 const __base64ToArrayBuffer = Uint8Array.fromBase64
                   ? (string) => Uint8Array.fromBase64(string).buffer
                   : __decode;
-                const wasmBinary = /* "${wasmFile}" */ __base64ToArrayBuffer(${JSON.stringify(wasmBase64String)});
 
                 ${text}
               `;
 
+              text = text.replace('import("node:fs/promises")', "whatever");
+              text = text.replace(wasmUrlPattern, "");
+              text = text.replace(
+                "(await instantiate())",
+                outdent`
+                  new WebAssembly.Instance(
+                    new WebAssembly.Module(
+                      __base64ToArrayBuffer(
+                        /* "${wasmUrl}" */ ${JSON.stringify(wasmBase64String)}
+                      )
+                    )
+                  )
+                `,
+              );
+
               return text;
             },
           },