diff --git a/packages/webpack/src/utils/config.ts b/packages/webpack/src/utils/config.ts
index 5f1077e8ff..65091930fa 100644
--- a/packages/webpack/src/utils/config.ts
+++ b/packages/webpack/src/utils/config.ts
@@ -154,7 +154,7 @@ export function getBaseWebpackPartial(
     webpackConfig.node = false;
 
     // could be an object { scripts: boolean; styles: boolean }
-    if (options.optimization === true) {
+    if (internalOptions.isScriptOptimizeOn) {
       webpackConfig.optimization = {
         minimize: true,
         minimizer: [