diff --git a/core/templates/core/base.html b/core/templates/core/base.html
index 045cb8b..cd073d1 100644
--- a/core/templates/core/base.html
+++ b/core/templates/core/base.html
@@ -43,7 +43,7 @@ window.quickComposer = window.quickComposer || function(tags, itemId=null){
 window.searchBox = function(tags){return{open:false,active:0,q:'',tags:tags||[],get filtered(){let q=this.q.toLowerCase();return this.tags.filter(t=>('#'+t).toLowerCase().startsWith(q))},onInput(e){this.q=e.target.value;this.open=this.q.startsWith('#')},onKeydown(e){if(!this.open)return;if(e.key==='ArrowDown'){e.preventDefault();this.active=(this.active+1)%Math.max(this.filtered.length,1)}else if(e.key==='ArrowUp'){e.preventDefault();this.active=(this.active-1+Math.max(this.filtered.length,1))%Math.max(this.filtered.length,1)}else if(e.key==='Enter'||e.key==='Tab'){if(this.filtered.length){e.preventDefault();this.select(this.filtered[this.active])}}else if(e.key==='Escape'){this.open=false}},select(tag){let url=new URL(window.location.href);url.searchParams.set('tag',tag);url.searchParams.delete('q');window.location.href=url.pathname+'?'+url.searchParams.toString()}}}
 function enhanceCodeBlocks(root=document){root.querySelectorAll('.content pre:not([data-copy])').forEach(pre=>{pre.dataset.copy='1';let btn=document.createElement('button');btn.type='button';btn.className='copy-code btn btn-sm btn-light';btn.title='Kopieren';btn.innerHTML='⧉';btn.addEventListener('click',()=>navigator.clipboard.writeText(pre.querySelector('code')?.innerText || pre.innerText).then(()=>{btn.innerHTML='✓';setTimeout(()=>btn.innerHTML='⧉',1200)}));pre.appendChild(btn)})}
 document.addEventListener('DOMContentLoaded',()=>enhanceCodeBlocks());document.body.addEventListener('htmx:afterSwap',e=>enhanceCodeBlocks(e.target));
-if('serviceWorker' in navigator){window.addEventListener('load',()=>navigator.serviceWorker.register('{% static "sw.js" %}').catch(()=>{}));}
+if('serviceWorker' in navigator){window.addEventListener('load',()=>navigator.serviceWorker.register('/sw.js').catch(()=>{}));}
 </script>
 </body>
 </html>
diff --git a/my2dos/urls.py b/my2dos/urls.py
index 3d8a6b1..f5d2075 100644
--- a/my2dos/urls.py
+++ b/my2dos/urls.py
@@ -1,9 +1,15 @@
 from django.conf import settings
 from django.conf.urls.static import static
 from django.contrib import admin
+from django.http import FileResponse
 from django.urls import include, path
 
+
+def service_worker(request):
+    return FileResponse(open(settings.BASE_DIR / 'static' / 'sw.js', 'rb'), content_type='text/javascript')
+
 urlpatterns = [
+    path('sw.js', service_worker, name='service_worker'),
     path('admin/', admin.site.urls),
     path('', include('core.urls')),
 ]
diff --git a/static/sw.js b/static/sw.js
index e14c404..4b220b4 100644
--- a/static/sw.js
+++ b/static/sw.js
@@ -2,5 +2,7 @@ self.addEventListener('install', event => self.skipWaiting());
 self.addEventListener('activate', event => event.waitUntil(self.clients.claim()));
 
 // Minimaler Service Worker für Installierbarkeit als PWA.
-// Offline-Funktionalität ist bewusst nicht implementiert.
-self.addEventListener('fetch', () => {});
+// Offline-Funktionalität ist bewusst nicht implementiert: alles geht direkt ins Netz.
+self.addEventListener('fetch', event => {
+  event.respondWith(fetch(event.request));
+});