diff --git a/lib/builder/webpack/client.js b/lib/builder/webpack/client.js
index d45cc39d4c..43d4c93b53 100644
--- a/lib/builder/webpack/client.js
+++ b/lib/builder/webpack/client.js
@@ -75,6 +75,30 @@ export default class WebpackClientConfig extends WebpackBaseConfig {
     return plugins
   }
 
+  customize() {
+    const config = super.customize(...arguments)
+    // Make uglifyjs faster
+    if (!this.options.dev && !config.optimization.minimizer) {
+      // https://github.com/webpack-contrib/uglifyjs-webpack-plugin
+      config.optimization.minimizer = [
+        new UglifyJsWebpackPlugin({
+          parallel: true,
+          cache: this.options.build.cache,
+          sourceMap: config.devtool && /source-?map/.test(config.devtool),
+          extractComments: {
+            filename: 'LICENSES'
+          },
+          uglifyOptions: {
+            output: {
+              comments: /^\**!|@preserve|@license|@cc_on/
+            }
+          }
+        })
+      ]
+    }
+    return config
+  }
+
   config() {
     const config = super.config()
 
@@ -119,26 +143,6 @@ export default class WebpackClientConfig extends WebpackBaseConfig {
       )
     }
 
-    // Make uglifyjs faster
-    if (!this.options.dev && !config.optimization.minimizer) {
-      // https://github.com/webpack-contrib/uglifyjs-webpack-plugin
-      config.optimization.minimizer = [
-        new UglifyJsWebpackPlugin({
-          parallel: true,
-          cache: this.options.build.cache,
-          sourceMap: config.devtool && /source-?map/.test(config.devtool),
-          extractComments: {
-            filename: 'LICENSES'
-          },
-          uglifyOptions: {
-            output: {
-              comments: /^\**!|@preserve|@license|@cc_on/
-            }
-          }
-        })
-      ]
-    }
-
     return this.customize(config)
   }
 }