diff --git a/npm/index.js b/npm/index.js
index a49932aa2027..0e338620a0c3 100644
--- a/npm/index.js
+++ b/npm/index.js
@@ -1,10 +1,10 @@
 var fs = require('fs')
 var path = require('path')
 
-const pathFile = path.join(__dirname, 'path.txt')
+var pathFile = path.join(__dirname, 'path.txt')
 
 if (fs.existsSync(pathFile)) {
   module.exports = path.join(__dirname, fs.readFileSync(pathFile, 'utf-8'))
 } else {
-  throw new Error('Electron failed to install correctly, please delete node_modules/electron and try installing again');
+  throw new Error('Electron failed to install correctly, please delete node_modules/' + path.basename(__dirname) + ' and try installing again');
 }