diff --git a/composer.json b/composer.json
index c9268de..e782e43 100755
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "xp-forge/marshalling": "^2.4",
     "xp-forge/web": "^4.6",
     "xp-forge/web-auth": "^7.0",
-    "xp-forge/frontend": "^7.0",
+    "xp-forge/frontend": "^7.4",
     "xp-forge/rest-api": "^5.0",
     "xp-forge/rest-client": "^6.0",
     "xp-forge/handlebars-templates": "^4.0",
diff --git a/src/it/php/de/thekid/dialog/unittest/ServeTest.php b/src/it/php/de/thekid/dialog/unittest/ServeTest.php
index 38b2c7f..b20ae47 100755
--- a/src/it/php/de/thekid/dialog/unittest/ServeTest.php
+++ b/src/it/php/de/thekid/dialog/unittest/ServeTest.php
@@ -86,6 +86,15 @@ public function type_ahead_api_publicly_accessible() {
     );
   }
 
+  #[Test]
+  public function handles_404() {
+    $res= $this->serve('GET', '/not-found');
+    Assert::equals(
+      [404, 'text/html; charset=utf-8'],
+      [$res->status(), $res->headers()['Content-Type']]
+    );
+  }
+
   #[Test]
   public function upload_api_needs_authentication() {
     $res= $this->serve('PUT', '/api/entries/test', ['Content-Type' => 'application/json; charset=utf-8'], '{
diff --git a/src/main/handlebars/errors/404.handlebars b/src/main/handlebars/errors/404.handlebars
new file mode 100755
index 0000000..40d3ad0
--- /dev/null
+++ b/src/main/handlebars/errors/404.handlebars
@@ -0,0 +1,25 @@
+{{#> layout}}
+  {{#*inline "title"}}Nicht gefunden{{/inline}}
+  {{#*inline "meta"}}
+    <meta property="og:url" content="{{request.uri}}">
+    <meta property="og:type" content="website">
+    <meta property="og:title" content="Nicht gefunden - Dialog">
+    <meta property="og:description" content="Fotoblog von Timm Friebe">
+  {{/inline}}
+  {{#*inline "main"}}
+
+    <!-- About me -->
+    <div class="error">
+      <h1 title="{{cause.getMessage}}">404: Seite nicht gefunden</h1>
+
+      <svg role="graphics-symbol" aria-labelledby="error-message" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 640"><!--!Font Awesome Free v7.2.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2026 Fonticons, Inc.--><path d="M192 32C209.7 32 224 46.3 224 64L224 160L352 160L352 64C352 46.3 366.3 32 384 32C401.7 32 416 46.3 416 64L416 160L480 160C497.7 160 512 174.3 512 192C512 209.7 497.7 224 480 224L480 272.7C381.4 280.8 304 363.4 304 464C304 491.3 309.7 517.3 320 540.9L320 544C320 561.7 305.7 576 288 576C270.3 576 256 561.7 256 544L256 477.3C165.2 462.1 96 383.1 96 288L96 224C78.3 224 64 209.7 64 192C64 174.3 78.3 160 96 160L160 160L160 64C160 46.3 174.3 32 192 32zM496 320C575.5 320 640 384.5 640 464C640 543.5 575.5 608 496 608C416.5 608 352 543.5 352 464C352 384.5 416.5 320 496 320zM555.3 427.3C561.5 421.1 561.5 410.9 555.3 404.7C549.1 398.5 538.9 398.5 532.7 404.7L496 441.4L459.3 404.7C453.1 398.5 442.9 398.5 436.7 404.7C430.5 410.9 430.5 421.1 436.7 427.3L473.4 464L436.7 500.7C430.5 506.9 430.5 517.1 436.7 523.3C442.9 529.5 453.1 529.5 459.3 523.3L496 486.6L532.7 523.3C538.9 529.5 549.1 529.5 555.3 523.3C561.5 517.1 561.5 506.9 555.3 500.7L518.6 464L555.3 427.3z"/></svg>
+
+      <p id="error-message">
+        Unter <kbd>{{cause.path}}</kbd> gibt es nichts zu sehen 🐸
+      </p>
+    </div>
+
+    &#187; <a href="/">Zurück zur Startseite</a>
+  {{/inline}}
+  {{#*inline "scripts"}}{{/inline}}
+{{/layout}}
\ No newline at end of file
diff --git a/src/main/handlebars/layout.handlebars b/src/main/handlebars/layout.handlebars
index aae5435..3dccc42 100755
--- a/src/main/handlebars/layout.handlebars
+++ b/src/main/handlebars/layout.handlebars
@@ -113,6 +113,34 @@
       border-bottom-right-radius: .25rem;
     }
 
+    .error {
+      margin-bottom: 2rem;
+
+      h1 {
+        font-size: 1.7rem;
+        color: currentColor;
+      }
+
+      svg {
+        display: block;
+        width: 16em;
+        margin: 3rem auto;
+        fill: currentColor;
+      }
+
+      p {
+        font-size: 1.15rem;
+      }
+
+      kbd {
+        padding: .25rem .25rem;
+        border-radius: .25rem;
+        background-color: var(--nav-color);
+        color: var(--text-color);
+        word-break: break-all;
+      }
+    }
+
     .cover {
       margin: -1rem -1rem 1rem -1rem;
       background-size: cover;
@@ -919,7 +947,7 @@
 <body class="{{request.cookies.theme}}">
   <nav class="navbar" role="navigation" aria-label="main navigation">
     <ul>
-      <li {{#if (equals scope 'home')}}class="active"{{/if}}><a href="/">Home</a></li>
+      <li {{#if (any (equals scope 'home') cause)}}class="active"{{/if}}><a href="/">Home</a></li>
       <li {{#if (any (equals scope 'feed') (equals parent 'feed'))}}class="active"{{/if}}><a href="/feed">Feed</a></li>
       <li {{#if (equals scope 'journeys')}}class="active"{{/if}}><a href="/journeys">Reisen</a></li>
       {{! Toggle theme }}
diff --git a/src/main/php/de/thekid/dialog/App.php b/src/main/php/de/thekid/dialog/App.php
index 8a60b8e..b261e2d 100755
--- a/src/main/php/de/thekid/dialog/App.php
+++ b/src/main/php/de/thekid/dialog/App.php
@@ -8,7 +8,7 @@
 use web\auth\Basic;
 use web\filters\BehindProxy;
 use web\frontend\helpers\{Assets, Dates, Numbers};
-use web\frontend\{Frontend, AssetsFrom, AssetsManifest, HandlersIn, Handlebars};
+use web\frontend\{Frontend, AssetsFrom, AssetsManifest, HandlersIn, Handlebars, Exceptions, CannotRoute};
 use web\rest\{RestApi, ResourcesIn};
 
 /** @test de.thekid.dialog.unittest.ServeTest */
@@ -55,6 +55,16 @@ public function routes() {
     $assets= new AssetsFrom($this->environment->path('src/main/webapp'))->with(fn($file) => [
       'Cache-Control' => $manifest->immutable($file) ?? 'max-age=604800, must-revalidate'
     ]);
+    $frontend= new Frontend(
+      new HandlersIn('de.thekid.dialog.web', $inject->get(...)),
+      new Handlebars($this->environment->path('src/main/handlebars'), [
+        new Dates(new TimeZone('Europe/Berlin')),
+        new Numbers(),
+        new Assets($manifest),
+        $inject->get(Helpers::class),
+        new Scripts($this->environment->path('src/main/js'), 'dev' === $this->environment->profile()),
+      ]),
+    );
 
     return [
       '/static'      => $static,
@@ -63,16 +73,7 @@ public function routes() {
       '/assets'      => $assets,
       '/image'       => $this->storage->with($caching),
       '/api'         => $auth->optional(new RestApi(new ResourcesIn('de.thekid.dialog.api', $inject->get(...)))),
-      '/'            => new Frontend(
-        new HandlersIn('de.thekid.dialog.web', $inject->get(...)),
-        new Handlebars($this->environment->path('src/main/handlebars'), [
-          new Dates(new TimeZone('Europe/Berlin')),
-          new Numbers(),
-          new Assets($manifest),
-          $inject->get(Helpers::class),
-          new Scripts($this->environment->path('src/main/js'), 'dev' === $this->environment->profile()),
-        ])
-      ),
+      '/'            => $frontend->handling(new Exceptions()->catch(CannotRoute::class)),
     ];
   }
 }
\ No newline at end of file