diff --git a/next.config.mjs b/next.config.mjs
index bd73bed15..74c6782d2 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -8,10 +8,6 @@ console.log("[Next] build with chunk: ", !disableChunk);
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-  env: {
-    LANGCHAIN_CALLBACKS_BACKGROUND: true,
-  },
-
   webpack(config) {
     config.module.rules.push({
       test: /\.svg$/,
diff --git a/package.json b/package.json
index 3446a0b49..d961c5c5c 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "mask:watch": "npx watch 'yarn mask' app/masks",
     "dev": "yarn run mask:watch & next dev",
     "dev:https": "yarn run mask:watch & next dev --experimental-https",
-    "build": "yarn mask && cross-env BUILD_MODE=standalone next build",
+    "build": "yarn mask && cross-env BUILD_MODE=standalone LANGCHAIN_CALLBACKS_BACKGROUND=true next build",
     "start": "next start",
     "lint": "next lint",
     "export": "yarn mask && cross-env BUILD_MODE=export BUILD_APP=1 next build",