diff --git a/build/webpack/webpack.config.base.js b/build/webpack/webpack.config.base.js
index 8d2ff9929b4a..b2393462afc7 100644
--- a/build/webpack/webpack.config.base.js
+++ b/build/webpack/webpack.config.base.js
@@ -156,7 +156,7 @@ if ((globalThis.process || binding.process).argv.includes("--profile-electron-in
         setImmediate: false
       },
       optimization: {
-        minimize: true,
+        minimize: env.mode === 'production',
         minimizer: [
           new TerserPlugin({
             terserOptions: {
diff --git a/build/webpack/webpack.gni b/build/webpack/webpack.gni
index f2bddbd5ae2b..2157cceabe32 100644
--- a/build/webpack/webpack.gni
+++ b/build/webpack/webpack.gni
@@ -22,6 +22,11 @@ template("webpack_build") {
                "//electron/typings/internal-electron.d.ts",
              ] + invoker.inputs
 
+    mode = "development"
+    if (is_official_build) {
+      mode = "production"
+    }
+
     args = [
       "--config",
       rebase_path(invoker.config_file),
@@ -29,6 +34,7 @@ template("webpack_build") {
       "--output-path=" + rebase_path(get_path_info(invoker.out_file, "dir")),
       "--env.buildflags=" +
           rebase_path("$target_gen_dir/buildflags/buildflags.h"),
+      "--env.mode=" + mode,
     ]
     deps += [ "buildflags" ]