diff --git a/src/queues/email-send.queue.test.ts b/src/queues/email-send.queue.test.ts
index c89b519..a056847 100644
--- a/src/queues/email-send.queue.test.ts
+++ b/src/queues/email-send.queue.test.ts
@@ -3,19 +3,13 @@ import { describe, it, expect, vi, beforeEach } from 'vitest'
 const mockAdd = vi.hoisted(() => vi.fn().mockResolvedValue({ id: 'job-1' }))
 
 vi.mock('bullmq', () => ({
-  Queue: vi.fn().mockImplementation(() => ({
-    add: mockAdd,
-  })),
+  Queue: vi.fn().mockImplementation(() => ({ add: mockAdd })),
 }))
 
-import { enqueueEmailSend, type EmailSendJobData, resetQueueForTesting } from './email-send.queue'
-import { Queue } from 'bullmq'
+import { enqueueEmailSend, emailSendQueue, type EmailSendJobData } from './email-send.queue'
 
 describe('enqueueEmailSend', () => {
-  beforeEach(() => {
-    vi.clearAllMocks()
-    resetQueueForTesting()
-  })
+  beforeEach(() => vi.clearAllMocks())
 
   it('enqueued Job mit korrekten Daten', async () => {
     const data: EmailSendJobData = {
@@ -24,7 +18,7 @@ describe('enqueueEmailSend', () => {
       recipientEmail: 'empfaenger@example.com',
       recipientHash: 'abc123hash',
     }
-    const result = await enqueueEmailSend(data)
+    const result = await enqueueEmailSend(data, emailSendQueue)
     expect(result.ok).toBe(true)
     expect(mockAdd).toHaveBeenCalledWith('send', data, expect.objectContaining({ attempts: 3 }))
   })
@@ -36,7 +30,8 @@ describe('enqueueEmailSend', () => {
       recipientEmail: 'x@example.com',
       recipientHash: 'hash1',
     }
-    const result = await enqueueEmailSend(data)
+    const result = await enqueueEmailSend(data, emailSendQueue)
+    expect(result.ok).toBe(true)
     if (result.ok) expect(result.data).toBe('job-1')
   })
 
@@ -44,7 +39,7 @@ describe('enqueueEmailSend', () => {
     mockAdd.mockRejectedValueOnce(new Error('Redis down'))
     const result = await enqueueEmailSend({
       tenantId: 't1', campaignId: 'c1', recipientEmail: 'x@x.com', recipientHash: 'h1',
-    })
+    }, emailSendQueue)
     expect(result.ok).toBe(false)
     if (!result.ok) expect(result.error.message).toBe('Redis down')
   })
@@ -52,19 +47,20 @@ describe('enqueueEmailSend', () => {
   it('nutzt exponentielles Backoff', async () => {
     await enqueueEmailSend({
       tenantId: 't1', campaignId: 'c1', recipientEmail: 'x@x.com', recipientHash: 'h1',
-    })
+    }, emailSendQueue)
     expect(mockAdd).toHaveBeenCalledWith(
       'send',
       expect.anything(),
-      expect.objectContaining({
-        backoff: expect.objectContaining({ type: 'exponential' }),
-      })
+      expect.objectContaining({ backoff: expect.objectContaining({ type: 'exponential' }) })
     )
   })
 
-  it('Queue wird mit Queue-Name "email:send" initialisiert', async () => {
-    await enqueueEmailSend({ tenantId: 't1', campaignId: 'c1', recipientEmail: 'x@x.com', recipientHash: 'h1' })
-    const { Queue: MockQueue } = await import('bullmq')
-    expect(MockQueue).toHaveBeenCalledWith('email:send', expect.anything())
+  it('gibt err zurück wenn Job ohne ID erstellt wird', async () => {
+    mockAdd.mockResolvedValueOnce({ id: undefined })
+    const result = await enqueueEmailSend({
+      tenantId: 't1', campaignId: 'c1', recipientEmail: 'x@x.com', recipientHash: 'h1',
+    }, emailSendQueue)
+    expect(result.ok).toBe(false)
+    if (!result.ok) expect(result.error.message).toContain('ohne ID')
   })
 })
diff --git a/src/queues/email-send.queue.ts b/src/queues/email-send.queue.ts
index b3325be..a0b5c62 100644
--- a/src/queues/email-send.queue.ts
+++ b/src/queues/email-send.queue.ts
@@ -13,29 +13,21 @@ const connection = {
   port: Number(process.env.REDIS_PORT ?? 6379),
 }
 
-let _queue: Queue<EmailSendJobData> | null = null
+export const emailSendQueue = new Queue<EmailSendJobData>('email-send', { connection })
 
-function getQueue(): Queue<EmailSendJobData> {
-  if (!_queue) {
-    _queue = new Queue<EmailSendJobData>('email:send', { connection })
-  }
-  return _queue
-}
-
-/** Nur für Tests — setzt den Queue-Singleton zurück */
-export function resetQueueForTesting(): void {
-  _queue = null
-}
-
-export async function enqueueEmailSend(data: EmailSendJobData): Promise<Result<string>> {
+export async function enqueueEmailSend(
+  data: EmailSendJobData,
+  queue: Queue<EmailSendJobData> = emailSendQueue
+): Promise<Result<string>> {
   try {
-    const job = await getQueue().add('send', data, {
+    const job = await queue.add('send', data, {
       attempts: 3,
       backoff: { type: 'exponential', delay: 2000 },
       removeOnComplete: 100,
       removeOnFail: { count: 500 },
     })
-    return ok(job.id ?? 'unknown')
+    if (!job.id) return err(new Error('Job wurde ohne ID erstellt'))
+    return ok(job.id)
   } catch (e) {
     return err(e instanceof Error ? e : new Error(String(e)))
   }