diff --git a/next.config.mjs b/next.config.mjs
index 32872cae9..2cc3c5937 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -6,14 +6,11 @@ console.log("[Next] build mode", mode);
 const disableChunk = !!process.env.DISABLE_CHUNK || mode === "export";
 console.log("[Next] build with chunk: ", !disableChunk);
 
-module.exports = {
-  env: {
-    LANGCHAIN_CALLBACKS_BACKGROUND: true,
-  },
-};
-
 /** @type {import('next').NextConfig} */
 const nextConfig = {
+  env: {
+    LANGCHAIN_CALLBACKS_BACKGROUND: 'true',
+  },
   webpack(config) {
     config.module.rules.push({
       test: /\.svg$/,