diff --git a/app/api/langchain/tool/agent/route.ts b/app/api/langchain/tool/agent/route.ts
index 5a31a2ea8..94c74f10f 100644
--- a/app/api/langchain/tool/agent/route.ts
+++ b/app/api/langchain/tool/agent/route.ts
@@ -294,4 +294,5 @@ async function handle(req: NextRequest) {
 export const GET = handle;
 export const POST = handle;
 
-export const runtime = process.env.DDG_PROXY_URL ? "nodejs" : "edge";
+export const runtime =
+  process.env.DDG_PROXY_URL != undefined ? "nodejs" : "edge";