diff --git a/.env.example b/.env.example
index 9b9ce69..4c5c931 100644
--- a/.env.example
+++ b/.env.example
@@ -32,7 +32,6 @@ FRONTEND_URL=https://cloud.example.com
 MAX_UPLOAD_SIZE_MB=500
 
 # OnlyOffice Document Server (optional)
-# Oeffentliche HTTPS-URL unter der OnlyOffice im Browser erreichbar ist
+# Eigene Subdomain mit HTTPS, z.B. https://office.example.com
+# JWT wird automatisch vom JWT_SECRET_KEY oben verwendet
 ONLYOFFICE_URL=
-# Muss mit JWT_SECRET im OnlyOffice-Container uebereinstimmen
-ONLYOFFICE_JWT_SECRET=
diff --git a/backend/app/api/office.py b/backend/app/api/office.py
index 807c891..ab9213c 100644
--- a/backend/app/api/office.py
+++ b/backend/app/api/office.py
@@ -381,7 +381,7 @@ def onlyoffice_config(file_id):
     }
 
     # Sign with JWT if secret is set
-    jwt_secret = os.environ.get('ONLYOFFICE_JWT_SECRET', '')
+    jwt_secret = os.environ.get('JWT_SECRET_KEY', '')
     if jwt_secret:
         import jwt as pyjwt
         config['config']['token'] = pyjwt.encode(config['config'], jwt_secret, algorithm='HS256')
diff --git a/backend/app/api/users.py b/backend/app/api/users.py
index 99483b4..49ec64e 100644
--- a/backend/app/api/users.py
+++ b/backend/app/api/users.py
@@ -155,7 +155,6 @@ def get_settings():
         'system_email_from': AppSettings.get('system_email_from', ''),
         'onlyoffice_url': os.environ.get('ONLYOFFICE_URL', ''),
         'onlyoffice_configured': bool(os.environ.get('ONLYOFFICE_URL', '')),
-        'onlyoffice_jwt_set': bool(os.environ.get('ONLYOFFICE_JWT_SECRET', '')),
     }), 200
 
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 92f3e18..703a97f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -20,7 +20,7 @@ services:
       - "8080:80"
     environment:
       - JWT_ENABLED=true
-      - JWT_SECRET=${ONLYOFFICE_JWT_SECRET}
+      - JWT_SECRET=${JWT_SECRET_KEY}
     volumes:
       - ./data/onlyoffice/logs:/var/log/onlyoffice
       - ./data/onlyoffice/data:/var/www/onlyoffice/Data
diff --git a/frontend/src/views/AdminView.vue b/frontend/src/views/AdminView.vue
index e751eda..5436882 100644
--- a/frontend/src/views/AdminView.vue
+++ b/frontend/src/views/AdminView.vue
@@ -95,15 +95,15 @@
           <code>{{ onlyofficeUrl }}</code>
         </div>
         <div class="info-row">
-          <span class="label">JWT Secret:</span>
-          <Tag :value="onlyofficeJwtSet ? 'Gesetzt' : 'Fehlt!'" :severity="onlyofficeJwtSet ? 'success' : 'danger'" />
+          <span class="label">JWT:</span>
+          <span>Nutzt JWT_SECRET_KEY aus .env</span>
         </div>
       </div>
 
       <div class="restore-instructions" style="margin-top: 1rem">
         <strong>Konfiguration ueber <code>.env</code>:</strong>
-        <pre style="background: var(--p-surface-100); padding: 0.75rem; border-radius: 4px; font-size: 0.85rem; margin: 0.5rem 0">ONLYOFFICE_URL=https://office.deine-domain.de
-ONLYOFFICE_JWT_SECRET=dein-secret-hier</pre>
+        <pre style="background: var(--p-surface-100); padding: 0.75rem; border-radius: 4px; font-size: 0.85rem; margin: 0.5rem 0">ONLYOFFICE_URL=https://office.deine-domain.de</pre>
+        <p class="hint">JWT wird automatisch vom <code>JWT_SECRET_KEY</code> verwendet - kein extra Secret noetig.</p>
         <strong>Setup-Schritte:</strong>
         <ol>
           <li>In <code>docker-compose.yml</code> den <code>onlyoffice</code>-Service aktivieren</li>
@@ -551,7 +551,6 @@ const smtpForm = ref({
 const smtpPasswordSet = ref(false)
 const onlyofficeConfigured = ref(false)
 const onlyofficeUrl = ref('')
-const onlyofficeJwtSet = ref(false)
 const smtpTesting = ref(false)
 
 // Backup & Restore
@@ -661,7 +660,6 @@ async function loadSettings() {
     smtpPasswordSet.value = res.data.system_smtp_password_set
     onlyofficeConfigured.value = res.data.onlyoffice_configured
     onlyofficeUrl.value = res.data.onlyoffice_url || ''
-    onlyofficeJwtSet.value = res.data.onlyoffice_jwt_set
   } catch { /* first load, defaults */ }
 }