diff --git a/bin/todoctor.js b/bin/todoctor.js
index a43d7dd..263f27e 100755
--- a/bin/todoctor.js
+++ b/bin/todoctor.js
@@ -7,12 +7,11 @@ import os from 'node:os'
 import fs from 'node:fs'
 
 let filename = fileURLToPath(import.meta.url)
+let dirname = path.dirname(filename)
 
 let platform = os.platform()
 let arch = os.arch()
 
-export let dirname = path.dirname(filename)
-
 export let binaries = {
   'win32:x64': 'windows/x64/todoctor.exe',
   'darwin:arm64': 'macos/arm64/todoctor',
diff --git a/package.json b/package.json
index 02c5dda..00a245b 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,8 @@
   "files": [
     "./bin",
     "./build",
-    "./dist"
+    "./dist",
+    "./scripts"
   ],
   "devDependencies": {
     "@azat-io/eslint-config-typescript": "^1.10.0",
diff --git a/scripts/postinstall.js b/scripts/postinstall.js
index 586223b..cc92be3 100644
--- a/scripts/postinstall.js
+++ b/scripts/postinstall.js
@@ -1,8 +1,12 @@
+import { fileURLToPath } from 'node:url'
 import path from 'node:path'
 import fs from 'node:fs'
 
-import { dirname as binDirectory, binaries } from '../bin/todoctor'
+import { binaries } from '../bin/todoctor'
+
+let filename = fileURLToPath(import.meta.url)
+let dirname = path.dirname(filename)
 
 Object.values(binaries).forEach(binaryPath => {
-  fs.chmodSync(path.join(binDirectory, binaryPath), 0o755)
+  fs.chmodSync(path.join(dirname, '../bin/', binaryPath), 0o755)
 })