diff --git a/src/app/api/plan/trigger/route.ts b/src/app/api/plan/trigger/route.ts
index 4184bae..76d3ec6 100644
--- a/src/app/api/plan/trigger/route.ts
+++ b/src/app/api/plan/trigger/route.ts
@@ -2,7 +2,7 @@ import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
 
 const PresignedUrlBodySchema = z.object({
-  portfolio_id: z.number(),
+  portfolio_id: z.string(),
   housing_type: z.enum(["Social", "Private"]),
   goal: z.enum(["Increase EPC", "Reduce energy consumption"]),
   goal_value: z.string(),