diff --git a/packages/web/src/utils/config.ts b/packages/web/src/utils/config.ts
index 1c8891280f546..a1df5ea68efd1 100644
--- a/packages/web/src/utils/config.ts
+++ b/packages/web/src/utils/config.ts
@@ -157,7 +157,7 @@ export function getBaseWebpackPartial(
 
   if (builderOptions.compiler !== 'swc' && extraOptions.isScriptOptimizeOn) {
     webpackConfig.optimization = {
-      sideEffects: false,
+      sideEffects: true,
       minimizer: [
         new TerserPlugin({
           parallel: true,