diff --git a/lib/make-spawn-args.js b/lib/make-spawn-args.js
index 54cd57a..f2253d7 100644
--- a/lib/make-spawn-args.js
+++ b/lib/make-spawn-args.js
@@ -1,14 +1,20 @@
 /* eslint camelcase: "off" */
 const isWindows = require('./is-windows.js')
 const setPATH = require('./set-path.js')
-const { chmodSync: chmod, unlinkSync: unlink, writeFileSync: writeFile } = require('fs')
+const { unlinkSync: unlink, writeFileSync: writeFile } = require('fs')
 const { tmpdir } = require('os')
-const { isAbsolute, resolve } = require('path')
+const { resolve } = require('path')
 const which = require('which')
 const npm_config_node_gyp = require.resolve('node-gyp/bin/node-gyp.js')
 const escape = require('./escape.js')
 const { randomBytes } = require('crypto')
 
+const translateWinPathToPosix = (path) => {
+  return path
+    .replace(/^([A-z]):/, '/$1')
+    .replace(/\\/g, '/')
+}
+
 const makeSpawnArgs = options => {
   const {
     event,
@@ -70,24 +76,17 @@ const makeSpawnArgs = options => {
       script += ` ${args.map((arg) => escape.cmd(arg, doubleEscape)).join(' ')}`
     }
   } else {
-    const shebang = isAbsolute(scriptShell)
-      ? `#!${scriptShell}`
-      : `#!/usr/bin/env ${scriptShell}`
     scriptFile = resolve(tmpdir(), `${fileName}.sh`)
-    script += `${shebang}\n`
-    script += cmd
+    script = cmd
     if (args.length) {
       script += ` ${args.map((arg) => escape.sh(arg)).join(' ')}`
     }
   }
 
   writeFile(scriptFile, script)
-  if (!isCmd) {
-    chmod(scriptFile, '0775')
-  }
   const spawnArgs = isCmd
     ? ['/d', '/s', '/c', escape.cmd(scriptFile)]
-    : ['-c', escape.sh(scriptFile)]
+    : [isWindows ? translateWinPathToPosix(scriptFile) : scriptFile]
 
   const spawnOpts = {
     env: spawnEnv,
diff --git a/test/make-spawn-args.js b/test/make-spawn-args.js
index dd441f5..66573bb 100644
--- a/test/make-spawn-args.js
+++ b/test/make-spawn-args.js
@@ -148,7 +148,7 @@ if (isWindows) {
         cmd: 'script "quoted parameter"; second command',
       })
       t.equal(shell, 'blrorp', 'used ComSpec as default shell')
-      t.match(args, ['-c', /\.sh'$/], 'got expected args')
+      t.match(args, [/\.sh$/], 'got expected args')
       t.match(opts, {
         env: {
           npm_package_json: /package\.json$/,
@@ -160,7 +160,10 @@ if (isWindows) {
         windowsVerbatimArguments: undefined,
       }, 'got expected options')
 
-      const filename = unescapeSh(args[args.length - 1])
+      let filename = unescapeSh(args[args.length - 1])
+      if (process.platform === 'win32') {
+        filename = filename.replace(/^\/([A-z])/, '$1:')
+      }
       t.ok(fs.existsSync(filename), 'script file was written')
       cleanup()
       t.not(fs.existsSync(filename), 'cleanup removes script file')
@@ -325,7 +328,7 @@ if (isWindows) {
         args: ['"quoted parameter";', 'second command'],
       })
       t.equal(shell, 'sh', 'defaults to sh')
-      t.match(args, ['-c', /\.sh'$/], 'got expected args')
+      t.match(args, [/\.sh$/], 'got expected args')
       t.match(opts, {
         env: {
           npm_package_json: /package\.json$/,
@@ -339,7 +342,7 @@ if (isWindows) {
 
       const filename = unescapeSh(args[args.length - 1])
       const contents = fs.readFileSync(filename, { encoding: 'utf8' })
-      t.equal(contents, `#!/usr/bin/env sh\nscript '"quoted parameter";' 'second command'`)
+      t.equal(contents, `script '"quoted parameter";' 'second command'`)
       t.ok(fs.existsSync(filename), 'script file was written')
       cleanup()
       t.not(fs.existsSync(filename), 'cleanup removes script file')
@@ -357,38 +360,7 @@ if (isWindows) {
       t.equal(shell, 'sh', 'defaults to sh')
       // no-control-regex disabled because we're specifically testing control chars
       // eslint-disable-next-line no-control-regex
-      t.match(args, ['-c', /(?:\\|\/)[^<:>/\x04]+\.sh'$/], 'got expected args')
-      t.match(opts, {
-        env: {
-          npm_package_json: /package\.json$/,
-          npm_lifecycle_event: 'event',
-          npm_lifecycle_script: 'script',
-        },
-        stdio: undefined,
-        cwd: 'path',
-        windowsVerbatimArguments: undefined,
-      }, 'got expected options')
-
-      const filename = unescapeSh(args[args.length - 1])
-      const contents = fs.readFileSync(filename, { encoding: 'utf8' })
-      t.equal(contents, `#!/usr/bin/env sh\nscript '"quoted parameter";' 'second command'`)
-      t.ok(fs.existsSync(filename), 'script file was written')
-      cleanup()
-      t.not(fs.existsSync(filename), 'cleanup removes script file')
-
-      t.end()
-    })
-
-    t.test('skips /usr/bin/env if scriptShell is absolute', (t) => {
-      const [shell, args, opts, cleanup] = makeSpawnArgs({
-        event: 'event',
-        path: 'path',
-        cmd: 'script',
-        args: ['"quoted parameter";', 'second command'],
-        scriptShell: '/bin/sh',
-      })
-      t.equal(shell, '/bin/sh', 'kept provided setting')
-      t.match(args, ['-c', /\.sh'$/], 'got expected args')
+      t.match(args, [/(?:\\|\/)[^<:>/\x04]+\.sh$/], 'got expected args')
       t.match(opts, {
         env: {
           npm_package_json: /package\.json$/,
@@ -402,7 +374,7 @@ if (isWindows) {
 
       const filename = unescapeSh(args[args.length - 1])
       const contents = fs.readFileSync(filename, { encoding: 'utf8' })
-      t.equal(contents, `#!/bin/sh\nscript '"quoted parameter";' 'second command'`)
+      t.equal(contents, `script '"quoted parameter";' 'second command'`)
       t.ok(fs.existsSync(filename), 'script file was written')
       cleanup()
       t.not(fs.existsSync(filename), 'cleanup removes script file')