diff --git a/index.js b/index.js
new file mode 100644
index 0000000000..4b0d91ca83
--- /dev/null
+++ b/index.js
@@ -0,0 +1,10 @@
+var pnpm = {}
+
+Object.defineProperty(pnpm, 'install', {
+  enumerable: true,
+  get: function () {
+    return require('./lib/cmd/install')
+  }
+})
+
+module.exports = pnpm
diff --git a/lib/cmd/install.js b/lib/cmd/install.js
index d322ac05cd..f941a36313 100644
--- a/lib/cmd/install.js
+++ b/lib/cmd/install.js
@@ -21,7 +21,7 @@ function installCmd (input, flags) {
   var pkg
   var packagesToInstall
   var installType
-  var isProductionInstall = cli.flags.production || process.env.NODE_ENV === 'production'
+  var isProductionInstall = flags.production || process.env.NODE_ENV === 'production'
 
   return readPkgUp()
     .then(_ => { pkg = _ })
diff --git a/test/index.js b/test/index.js
index 3e972be9c3..155c453ca6 100644
--- a/test/index.js
+++ b/test/index.js
@@ -3,7 +3,7 @@ var join = require('path').join
 var fs = require('fs')
 var prepare = require('./support/prepare')
 var basicPackageJson = require('./support/simple-package.json')
-var install = require('../lib/cmd/install')
+var install = require('../index').install
 require('./support/sepia')
 
 var stat, _
@@ -249,7 +249,7 @@ test('production install (with --production flag)', function (t) {
   prepare()
   fs.writeFileSync('package.json', JSON.stringify(basicPackageJson), 'utf-8')
 
-  return install({ input: [], flags: { quiet: true, production: true } })
+  return install([], { quiet: true, production: true })
     .then(function () {
       var rimrafDir = fs.statSync(join(process.cwd(), 'node_modules', 'rimraf'))
 
@@ -271,7 +271,7 @@ test('production install (with production NODE_ENV)', function (t) {
   prepare()
   fs.writeFileSync('package.json', JSON.stringify(basicPackageJson), 'utf-8')
 
-  return install({ input: [], flags: { quiet: true } })
+  return install([], { quiet: true })
     .then(function () {
       // reset NODE_ENV
       process.env.NODE_ENV = originalNODE_ENV