diff --git a/backend/src/services/scheduledMessages.service.ts b/backend/src/services/scheduledMessages.service.ts
index 81cd1f4..074a7f3 100644
--- a/backend/src/services/scheduledMessages.service.ts
+++ b/backend/src/services/scheduledMessages.service.ts
@@ -2,7 +2,6 @@ import pool from '../config/database';
 import settingsService from './settings.service';
 import nextcloudService from './nextcloud.service';
 import logger from '../utils/logger';
-
 // ── Types ────────────────────────────────────────────────────────────────────
 
 interface ScheduledMessageRule {
@@ -43,10 +42,11 @@ interface RoomsResult {
 // ── Helpers ──────────────────────────────────────────────────────────────────
 
 async function getBotCredentials(): Promise<{ username: string; appPassword: string } | null> {
-  const usernameRow = await settingsService.get('nextcloud_bot_username');
-  const appPasswordRow = await settingsService.get('nextcloud_bot_app_password');
-  const username = typeof usernameRow?.value === 'string' ? usernameRow.value : null;
-  const appPassword = typeof appPasswordRow?.value === 'string' ? appPasswordRow.value : null;
+  const setting = await settingsService.get('tool_config_nextcloud');
+  if (!setting?.value || typeof setting.value !== 'object') return null;
+  const cfg = setting.value as Record<string, unknown>;
+  const username = typeof cfg.bot_username === 'string' ? cfg.bot_username : null;
+  const appPassword = typeof cfg.bot_app_password === 'string' ? cfg.bot_app_password : null;
   if (!username || !appPassword) return null;
   return { username, appPassword };
 }