diff --git a/src/app/api/machines/session/route.ts b/src/app/api/machines/session/route.ts
index 9be66dd..1d8a27f 100644
--- a/src/app/api/machines/session/route.ts
+++ b/src/app/api/machines/session/route.ts
@@ -10,6 +10,9 @@ import { DEFAULT_TENANT_ID } from "@/lib/constants"
 
 const MACHINE_CTX_COOKIE = "machine_ctx"
 
+// Força runtime Node.js para leitura consistente de cookies de sessão
+export const runtime = "nodejs"
+
 type CollaboratorMetadata = {
   email: string
   name: string | null