diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
index 5fded668f295d0..6faf7d2d863f03 100644
--- a/packages/vite/src/node/config.ts
+++ b/packages/vite/src/node/config.ts
@@ -974,7 +974,7 @@ async function bundleConfigFile(
             isRequire: !isESM,
             preferRelative: false,
             tryIndex: true,
-            mainFields: DEFAULT_MAIN_FIELDS,
+            mainFields: [],
             browserField: false,
             conditions: [],
             dedupe: [],