diff --git a/lib/builder/webpack/client.config.js b/lib/builder/webpack/client.config.js
index d04555374..4d4be07f9 100644
--- a/lib/builder/webpack/client.config.js
+++ b/lib/builder/webpack/client.config.js
@@ -92,7 +92,7 @@ module.exports = function webpackClientConfig() {
     new webpack.DefinePlugin(
       Object.assign(env, {
         'process.env.NODE_ENV': JSON.stringify(
-          env.NODE_ENV || (this.options.dev ? 'development' : 'production')
+          this.options.env.NODE_ENV || (this.options.dev ? 'development' : 'production')
         ),
         'process.env.VUE_ENV': JSON.stringify('client'),
         'process.mode': JSON.stringify(this.options.mode),
diff --git a/lib/builder/webpack/server.config.js b/lib/builder/webpack/server.config.js
index 66faf84d5..e92939f81 100644
--- a/lib/builder/webpack/server.config.js
+++ b/lib/builder/webpack/server.config.js
@@ -47,7 +47,7 @@ module.exports = function webpackServerConfig() {
       new webpack.DefinePlugin(
         Object.assign(env, {
           'process.env.NODE_ENV': JSON.stringify(
-            env.NODE_ENV || (this.options.dev ? 'development' : 'production')
+            this.options.env.NODE_ENV || (this.options.dev ? 'development' : 'production')
           ),
           'process.env.VUE_ENV': JSON.stringify('server'),
           'process.mode': JSON.stringify(this.options.mode),