diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index 3c8b3f3cc..d2d791cbc 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -25,6 +25,8 @@ Fixed
 - Crash when trying to use the `DocumentPictureInPicture` JS API, such as done
   by the new Google Workspaces Huddle feature. The API is unsupported by
   QtWebEngine and now correctly disabled on the JS side. (#8449)
+- Crash when a buggy notification presenter returns a duplicate ID (now an
+  error is shown instead).
 
 [[v3.4.0]]
 v3.4.0 (2024-12-14)
diff --git a/qutebrowser/browser/webengine/notification.py b/qutebrowser/browser/webengine/notification.py
index d49446065..9037ff214 100644
--- a/qutebrowser/browser/webengine/notification.py
+++ b/qutebrowser/browser/webengine/notification.py
@@ -286,7 +286,10 @@ class NotificationBridgePresenter(QObject):
 
         if replaces_id is None:
             if notification_id in self._active_notifications:
-                raise Error(f"Got duplicate id {notification_id}")
+                message.error(f"Got duplicate notification id {notification_id} "
+                              f"from {self._adapter.NAME}")
+                self._drop_adapter()
+                return
 
         qt_notification.show()
         self._active_notifications[notification_id] = qt_notification