diff --git a/lib/services/demoCleanup.js b/lib/services/demoCleanup.js
index 4386dd4..5879d57 100644
--- a/lib/services/demoCleanup.js
+++ b/lib/services/demoCleanup.js
@@ -1,29 +1,38 @@
 import { setInterval } from 'node:timers';
-import {removeJobsByUserName} from './storage/jobStorage.js';
-import {config} from '../utils.js';
+import { removeJobsByUserName } from './storage/jobStorage.js';
+import { config } from '../utils.js';
+import { getUsers } from './storage/userStorage.js';
 
 /**
  * if we are running in demo environment, we have to cleanup the db files (specifically the jobs table)
  */
 export function cleanupDemoAtMidnight() {
-    const now = new Date();
-    const millisUntilMidnightUTC = (24 - now.getUTCHours()) * 60 * 60 * 1000
-        - now.getUTCMinutes() * 60 * 1000
-        - now.getUTCSeconds() * 1000
-        - now.getUTCMilliseconds();
+  const now = new Date();
+  const millisUntilMidnightUTC =
+    (24 - now.getUTCHours()) * 60 * 60 * 1000 -
+    now.getUTCMinutes() * 60 * 1000 -
+    now.getUTCSeconds() * 1000 -
+    now.getUTCMilliseconds();
 
-    setTimeout(() => {
+  setTimeout(() => {
+    cleanup();
+
+    setInterval(
+      () => {
         cleanup();
-
-        setInterval(() => {
-            cleanup();
-        }, 24 * 60 * 60 * 1000);
-
-    }, millisUntilMidnightUTC);
+      },
+      24 * 60 * 60 * 1000,
+    );
+  }, millisUntilMidnightUTC);
 }
 
-function cleanup(){
-    if(config.demoMode){
-        removeJobsByUserName('demo');
+function cleanup() {
+  if (config.demoMode) {
+    const demoUser = getUsers(false).find((user) => user.username === 'demo');
+    if (demoUser == null) {
+      console.error('Demo user not found, cannot remove Jobs');
+      return;
     }
-}
\ No newline at end of file
+    removeJobsByUserName(demoUser.id);
+  }
+}
diff --git a/lib/services/storage/jobStorage.js b/lib/services/storage/jobStorage.js
index 655ada2..c3a94a9 100644
--- a/lib/services/storage/jobStorage.js
+++ b/lib/services/storage/jobStorage.js
@@ -11,7 +11,6 @@ const db = new LowdashAdapter(adapter, { jobs: [] });
 
 db.read();
 
-
 export const upsertJob = ({ jobId, name, blacklist = [], enabled = true, provider, notificationAdapter, userId }) => {
   const currentJob =
     jobId == null
@@ -77,15 +76,15 @@ export const removeJobsByUserId = (userId) => {
     .value();
   db.write();
 };
-export const removeJobsByUserName = (userName) => {
+export const removeJobsByUserName = (userId) => {
   db.chain
-      .get('jobs')
-      .filter((job) => job.username === userName)
-      .forEach((job) => listingStorage.removeListings(job.id));
+    .get('jobs')
+    .filter((job) => job.userId === userId)
+    .forEach((job) => listingStorage.removeListings(job.id));
   db.chain
-      .get('jobs')
-      .remove((job) => job.username === userName)
-      .value();
+    .get('jobs')
+    .remove((job) => job.userId === userId)
+    .value();
   db.write();
 };
 export const getJobs = () => {