diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 6263f321793c3..8a9e4e16f4880 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -835,7 +835,7 @@ export default async function getBaseWebpackConfig(
       checkWasmTypes: false,
       nodeEnv: false,
       splitChunks: isServer
-        ? isWebpack5
+        ? isWebpack5 && !dev
           ? ({
               filename: '[name].js',
               // allow to split entrypoints