diff --git a/lib/creator/yeoman/webpack-generator.js b/lib/creator/yeoman/webpack-generator.js
index 8e235315f87..8ddc76e67c7 100644
--- a/lib/creator/yeoman/webpack-generator.js
+++ b/lib/creator/yeoman/webpack-generator.js
@@ -94,7 +94,7 @@ module.exports = class WebpackGenerator extends Generator {
 						]).then( (ans) => {
 							if(ans['babelConfirm'] === true) {
 								this.configuration.config.webpackOptions.module.rules.push(getBabelPlugin());
-								this.npmInstalls = ['babel-loader', 'babel-core', 'babel-preset-env'];
+								this.npmInstalls.push('babel-loader', 'babel-core', 'babel-preset-env');
 							}
 						}).then( () => {
 							this.prompt([