diff --git a/frontend/src/app/notebooks/[id]/page.tsx b/frontend/src/app/notebooks/[id]/page.tsx
index 7a5d683..3ccae34 100644
--- a/frontend/src/app/notebooks/[id]/page.tsx
+++ b/frontend/src/app/notebooks/[id]/page.tsx
@@ -3,6 +3,7 @@
 import { useState, useRef, useEffect, useCallback, useMemo } from 'react';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { notebookAPI, documentAPI, authAPI } from '@/lib/api';
+import type { PodcastStatus } from '@/types';
 import { useParams } from 'next/navigation';
 import Link from 'next/link';
 import {
@@ -88,14 +89,13 @@ export default function NotebookDetailPage() {
     refetchInterval: hasProcessingTasks ? 2000 : false,
   });
 
-  const { data: podcastStatus } = useQuery({
+  const { data: podcastStatus } = useQuery<PodcastStatus>({
     queryKey: ['podcast-status', notebookId],
     queryFn: async () => {
       const response = await notebookAPI.getPodcastStatus(notebookId);
       return response.data;
     },
-    // Poll only while a podcast is actively generating; initial load via refetchOnMount
-    refetchInterval: podcastStatus?.status === 'processing' ? 5000 : false,
+    refetchInterval: (query) => query.state.data?.status === 'processing' ? 5000 : false,
   });
 
   const { data: shares } = useQuery({