diff --git a/site/next.config.js b/site/next.config.js
index b6cb8d0447..658890d374 100644
--- a/site/next.config.js
+++ b/site/next.config.js
@@ -6,7 +6,7 @@ module.exports = {
     config.module.rules.push({
       test: /\.js$/,
       enforce: 'pre',
-      exclude: [/node_modules\/@next/, /node_modules\/next/],
+      exclude: [/node_modules[\\\/]@next/, /node_modules[\\\/]next/],
       use: [
         {
           loader: require.resolve('source-map-loader'),