diff --git a/server/routes/webhook/gitea.js b/server/routes/webhook/gitea.js
index dee6506..5e23f4a 100644
--- a/server/routes/webhook/gitea.js
+++ b/server/routes/webhook/gitea.js
@@ -10,7 +10,7 @@ import {
   buildPreviewUrl,
 } from '../../services/previewDeploy.js'
 import { ensureRepoPreviewConfig } from '../../services/giteaAdmin.js'
-import { createGitPushWorksheet } from '../../services/gitWorksheet.js'
+import { createGitPushWorksheet, isSystemPusher } from '../../services/gitWorksheet.js'
 import { sendPushTimeMail } from '../../services/pushTimeMail.js'
 import { ensureProjectTicket } from '../../services/ticketAdmin.js'
 import { invalidateProjectCache } from '../../services/projectInsights.js'
@@ -177,7 +177,10 @@ router.post('/gitea', async (req, res) => {
     // (derselben wie assignProject/reconcileProject), damit ein gleichzeitiges Zuweisen nicht
     // dieselbe ticketId-Aufloesung doppelt anstoesst.
     let gitWorksheet = null
-    if (commitSha && commitSha !== '0000000000000000000000000000000000000000') {
+    // System-Commits (z. B. .webklar-preview.json beim Anlegen aus dem Ticketsystem) bekommen weder
+    // Arbeitsblatt noch Auto-Ticket - sonst entstand beim Anlegen mit Kunde ein zusaetzliches
+    // Ticket "Website <name>" neben dem, das im Zuordnen-Assistenten gewaehlt wird.
+    if (commitSha && commitSha !== '0000000000000000000000000000000000000000' && !isSystemPusher(pusher)) {
       gitWorksheet = await withLocks(
         ['project:' + project.$id],
         async () => {
diff --git a/test/giteaRoutes.test.js b/test/giteaRoutes.test.js
index fd491ba..3bd6600 100644
--- a/test/giteaRoutes.test.js
+++ b/test/giteaRoutes.test.js
@@ -223,6 +223,14 @@ test('Webhook des System-Kontos', async () => {
   await webhook(pushPayload({ full_name: 'WEBklar/D-ner-Nation', sha: 'cafe0001', pusher: 'webklar-system' }))
   assert.equal(aw.all('worksheets').length, before)
 })
+test('System-Commit an Projekt mit Kunde ohne Ticket legt kein Auto-Ticket an', async () => {
+  gitea.addRepo({ full_name: 'WEBklar/neu-mit-kunde' })
+  aw.insert('websiteProjects', { $id: 'p_sys', repoFullName: 'WEBklar/neu-mit-kunde', projectName: 'Neu', customerId: 'c1', ticketId: '' })
+  const before = aw.all('workorders').length
+  await webhook(pushPayload({ full_name: 'WEBklar/neu-mit-kunde', sha: 'cafe0002', pusher: 'webklar-system' }))
+  assert.equal(aw.all('workorders').length, before)
+  assert.equal(aw.get('websiteProjects', 'p_sys').ticketId, '')
+})
 test('Webhook wartet auf laufenden Umzug', async () => {
   gitea.setTransferDelay(300)
   const move = post('/api/admin/website-projects/p5/assign', { customerId: 'c1', ticketId: 't1' }, 'jwt-admin') // p5: JUSN/langsam