diff --git a/app/api/langchain/tool/agent/agentapi.ts b/app/api/langchain/tool/agent/agentapi.ts
index 75849ea58..0cbe1d59e 100644
--- a/app/api/langchain/tool/agent/agentapi.ts
+++ b/app/api/langchain/tool/agent/agentapi.ts
@@ -347,6 +347,7 @@ export class AgentApi {
     customTools: any[],
   ) {
     try {
+      process.env.LANGCHAIN_CALLBACKS_BACKGROUND = 'true';
       let useTools = reqBody.useTools ?? [];
       const serverConfig = getServerSideConfig();
 
@@ -481,7 +482,6 @@ export class AgentApi {
         tools,
         maxIterations: reqBody.maxIterations,
       });
-      process.env.LANGCHAIN_CALLBACKS_BACKGROUND = 'true';
       await agentExecutor
         .invoke(
           {