diff --git a/middleware.ts b/middleware.ts
index e35a30e..620918d 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -34,6 +34,24 @@ export async function middleware(request: NextRequest) {
   }
 
   const role = (session.user as { role?: string })?.role?.toLowerCase() ?? "agent"
+  const machinePersona =
+    role === "machine"
+      ? ((session.user as unknown as { machinePersona?: string }).machinePersona ?? "").toLowerCase()
+      : null
+
+  // Ajusta destinos conforme persona da máquina para evitar loops login<->dashboard
+  if (role === "machine") {
+    // Evita enviar colaborador ao dashboard; redireciona para o Portal
+    if (pathname.startsWith("/dashboard") && machinePersona !== "manager") {
+      return NextResponse.redirect(new URL("/portal/tickets", request.url))
+    }
+    // Evita mostrar login quando já há sessão de máquina
+    if (pathname === "/login") {
+      const target = machinePersona === "manager" ? "/dashboard" : "/portal/tickets"
+      const url = new URL(target, request.url)
+      return NextResponse.redirect(url)
+    }
+  }
 
   const isAdmin = role === "admin"
   // Em desenvolvimento, evitamos bloquear rotas admin por possíveis diferenças
diff --git a/src/app/login/login-page-client.tsx b/src/app/login/login-page-client.tsx
index dbd2c59..758c905 100644
--- a/src/app/login/login-page-client.tsx
+++ b/src/app/login/login-page-client.tsx
@@ -25,7 +25,17 @@ export function LoginPageClient() {
   useEffect(() => {
     if (isPending) return
     if (!session?.user) return
-    const destination = callbackUrl ?? "/dashboard"
+    const role = (session.user.role ?? "").toLowerCase()
+    const persona = (session.user as any).machinePersona
+      ? String((session.user as any).machinePersona).toLowerCase()
+      : null
+    const defaultDest =
+      role === "machine"
+        ? persona === "manager"
+          ? "/dashboard"
+          : "/portal/tickets"
+        : "/dashboard"
+    const destination = callbackUrl ?? defaultDest
     router.replace(destination)
   }, [callbackUrl, isPending, router, session?.user])