diff --git a/contao/templates/frontend/member_events.html.twig b/contao/templates/frontend/member_events.html.twig
index 4a8e264..8f74a44 100644
--- a/contao/templates/frontend/member_events.html.twig
+++ b/contao/templates/frontend/member_events.html.twig
@@ -28,14 +28,14 @@
                 <a href="{{ item.editUrl }}" aria-label="{{ item.title }} bearbeiten">Bearbeiten</a>
               {% endif %}
 
-              <form method="post" style="display:inline;" aria-label="{{ item.title }} duplizieren">
+              <form method="post" style="display:inline;" data-confirm-message="{{ ('Möchten Sie das Event \"' ~ item.title ~ '\" wirklich duplizieren?')|e('html_attr') }}" aria-label="{{ item.title }} duplizieren">
                 <input type="hidden" name="REQUEST_TOKEN" value="{{ requestToken }}">
                 <input type="hidden" name="action" value="duplicate">
                 <input type="hidden" name="event_id" value="{{ item.id }}">
                 <button type="submit" aria-label="{{ item.title }} duplizieren">Duplizieren</button>
               </form>
 
-              <form method="post" style="display:inline;" onsubmit="return confirm('wirklich löschen?');" aria-label="{{ item.title }} löschen">
+              <form method="post" style="display:inline;" data-confirm-message="{{ ('Möchten Sie das Event \"' ~ item.title ~ '\" wirklich löschen?')|e('html_attr') }}" aria-label="{{ item.title }} löschen">
                 <input type="hidden" name="REQUEST_TOKEN" value="{{ requestToken }}">
                 <input type="hidden" name="action" value="delete">
                 <input type="hidden" name="event_id" value="{{ item.id }}">
@@ -56,6 +56,8 @@
     </form>
   {% endif %}
 
+  <script src="/bundles/mummertmediaeventmanager/assets/member-events-confirm.js?v=20260301a"></script>
+
   <h2>Vergangene Veranstaltungen</h2>
   {% if pastEvents is empty %}
     <p>Keine vergangenen Veranstaltungen gefunden.</p>
@@ -83,14 +85,14 @@
                 <a href="{{ item.editUrl }}" aria-label="{{ item.title }} bearbeiten">Bearbeiten</a>
               {% endif %}
 
-              <form method="post" style="display:inline;" aria-label="{{ item.title }} duplizieren">
+              <form method="post" style="display:inline;" data-confirm-message="{{ ('Möchten Sie das Event \"' ~ item.title ~ '\" wirklich duplizieren?')|e('html_attr') }}" aria-label="{{ item.title }} duplizieren">
                 <input type="hidden" name="REQUEST_TOKEN" value="{{ requestToken }}">
                 <input type="hidden" name="action" value="duplicate">
                 <input type="hidden" name="event_id" value="{{ item.id }}">
                 <button type="submit" aria-label="{{ item.title }} duplizieren">Duplizieren</button>
               </form>
 
-              <form method="post" style="display:inline;" onsubmit="return confirm('wirklich löschen?');" aria-label="{{ item.title }} löschen">
+              <form method="post" style="display:inline;" data-confirm-message="{{ ('Möchten Sie das Event \"' ~ item.title ~ '\" wirklich löschen?')|e('html_attr') }}" aria-label="{{ item.title }} löschen">
                 <input type="hidden" name="REQUEST_TOKEN" value="{{ requestToken }}">
                 <input type="hidden" name="action" value="delete">
                 <input type="hidden" name="event_id" value="{{ item.id }}">
diff --git a/public/assets/member-events-confirm.js b/public/assets/member-events-confirm.js
new file mode 100644
index 0000000..d974bc7
--- /dev/null
+++ b/public/assets/member-events-confirm.js
@@ -0,0 +1,28 @@
+(function () {
+    var decodeHtmlEntities = function (value) {
+        var textarea = document.createElement('textarea');
+        textarea.innerHTML = String(value || '');
+
+        return textarea.value;
+    };
+
+    var handleSubmit = function (event) {
+        var target = event.target;
+
+        if (!(target instanceof HTMLFormElement)) {
+            return;
+        }
+
+        var message = decodeHtmlEntities(target.getAttribute('data-confirm-message') || '');
+
+        if (!message) {
+            return;
+        }
+
+        if (!window.confirm(message)) {
+            event.preventDefault();
+        }
+    };
+
+    document.addEventListener('submit', handleSubmit, true);
+})();
diff --git a/src/Controller/Frontend/MemberEventsController.php b/src/Controller/Frontend/MemberEventsController.php
index ca48444..9c70921 100644
--- a/src/Controller/Frontend/MemberEventsController.php
+++ b/src/Controller/Frontend/MemberEventsController.php
@@ -65,7 +65,14 @@ class MemberEventsController extends AbstractFrontendModuleController
                 if ('toggle_published' === $action) {
                     $this->eventRepository->togglePublished($eventId);
                 } elseif ('duplicate' === $action) {
-                    $this->eventRepository->duplicate($eventId);
+                    $newEventId = $this->eventRepository->duplicate($eventId);
+
+                    if ($newEventId > 0 && $editPage instanceof PageModel) {
+                        return new RedirectResponse($this->generateContentUrl($editPage, [
+                            'event' => (string) $newEventId,
+                            'ref' => base64_encode($backUrl),
+                        ]));
+                    }
                 } elseif ('delete' === $action) {
                     $this->eventRepository->delete($eventId);
                 }
diff --git a/src/Service/EventRepository.php b/src/Service/EventRepository.php
index 01bbb7c..02dcfcc 100644
--- a/src/Service/EventRepository.php
+++ b/src/Service/EventRepository.php
@@ -84,7 +84,8 @@ class EventRepository
         unset($row['id']);
 
         if (array_key_exists('title', $row)) {
-            $row['title'] = trim((string) $row['title'].' (Kopie)');
+            $normalizedTitle = html_entity_decode((string) $row['title'], ENT_QUOTES | ENT_HTML5, 'UTF-8');
+            $row['title'] = trim($normalizedTitle.' (Kopie)');
         }
 
         if (array_key_exists('alias', $row)) {