diff --git a/app/components/work_packages/details/tab_component.html.erb b/app/components/work_packages/details/tab_component.html.erb
index 4c4730bec16..534aa534a38 100644
--- a/app/components/work_packages/details/tab_component.html.erb
+++ b/app/components/work_packages/details/tab_component.html.erb
@@ -85,7 +85,7 @@
           icon: :x,
           tag: :a,
           href: base_route,
-          data: { turbo: true, target: "_top", turbo_action: "advance" },
+          data: { turbo: true, turbo_action: "advance" },
           scheme: :invisible,
           test_selector: "wp-details-tab-component--close",
           aria: { label: I18n.t(:button_close) }
diff --git a/frontend/src/app/features/work-packages/routing/wp-split-view/wp-split-view-entry.component.ts b/frontend/src/app/features/work-packages/routing/wp-split-view/wp-split-view-entry.component.ts
index 5613c3716b8..e46b1b88d9b 100644
--- a/frontend/src/app/features/work-packages/routing/wp-split-view/wp-split-view-entry.component.ts
+++ b/frontend/src/app/features/work-packages/routing/wp-split-view/wp-split-view-entry.component.ts
@@ -26,12 +26,14 @@
 // See COPYRIGHT and LICENSE files for more details.
 //++
 
-import { ChangeDetectionStrategy, Component, ElementRef, Input } from '@angular/core';
+import { ChangeDetectionStrategy, Component, ElementRef, Input, OnDestroy, inject } from '@angular/core';
 import {
   WorkPackageIsolatedQuerySpaceDirective,
 } from 'core-app/features/work-packages/directives/query-space/wp-isolated-query-space.directive';
 import { populateInputsFromDataset } from 'core-app/shared/components/dataset-inputs';
 
+const splitViewBodyClass = 'router--work-packages-partitioned-split-view-details';
+
 /**
  * An entry component to be rendered by Rails which opens an isolated query space
  * for the work package split view
@@ -48,14 +50,20 @@ import { populateInputsFromDataset } from 'core-app/shared/components/dataset-in
   changeDetection: ChangeDetectionStrategy.OnPush,
   standalone: false,
 })
-export class WorkPackageSplitViewEntryComponent {
+export class WorkPackageSplitViewEntryComponent implements OnDestroy {
   @Input() workPackageId:string;
   @Input() activeTab:string;
   @Input() resizerClass:string;
 
-  constructor(readonly elementRef:ElementRef) {
+  readonly elementRef = inject(ElementRef);
+
+  constructor() {
     populateInputsFromDataset(this);
 
-    document.body.classList.add('router--work-packages-partitioned-split-view-details');
+    document.body.classList.add(splitViewBodyClass);
+  }
+
+  ngOnDestroy():void {
+    document.body.classList.remove(splitViewBodyClass);
   }
 }
diff --git a/modules/backlogs/app/controllers/rb_master_backlogs_controller.rb b/modules/backlogs/app/controllers/rb_master_backlogs_controller.rb
index 8a9eb43c553..2d3951cedf5 100644
--- a/modules/backlogs/app/controllers/rb_master_backlogs_controller.rb
+++ b/modules/backlogs/app/controllers/rb_master_backlogs_controller.rb
@@ -32,18 +32,17 @@ class RbMasterBacklogsController < RbApplicationController
   include WorkPackages::WithSplitView
 
   # Without the feature flag, there is only the top level menu item, select it
-  menu_item :backlogs_legacy
+  menu_item :backlogs_legacy, only: :index
 
   # With the feature flag, we have a proper menu, select the correct sub entry
-  current_menu_item [:backlog] do
-    :backlog
-  end
+  menu_item :backlog, only: %i[backlog details]
 
   before_action :not_authorized_on_feature_flag_inactive, only: :backlog
   before_action :load_backlogs, only: %i[index backlog]
 
   def backlog
-    if turbo_frame_request?
+    case turbo_frame_request_id
+    when "backlogs_container"
       render partial: "backlog_list", layout: false
     else
       render :backlog
@@ -74,6 +73,8 @@ class RbMasterBacklogsController < RbApplicationController
     end
   end
 
+  private
+
   def split_view_base_route
     if OpenProject::FeatureDecisions.scrum_projects_active?
       backlog_backlogs_project_backlogs_path(request.query_parameters)
@@ -82,8 +83,6 @@ class RbMasterBacklogsController < RbApplicationController
     end
   end
 
-  private
-
   def load_backlogs
     @owner_backlogs = Backlog.owner_backlogs(@project)
 
diff --git a/modules/backlogs/app/views/rb_master_backlogs/backlog.html.erb b/modules/backlogs/app/views/rb_master_backlogs/backlog.html.erb
index fe703d6b65e..8c472eb29e2 100644
--- a/modules/backlogs/app/views/rb_master_backlogs/backlog.html.erb
+++ b/modules/backlogs/app/views/rb_master_backlogs/backlog.html.erb
@@ -53,5 +53,7 @@ See COPYRIGHT and LICENSE files for more details.
 <% end %>
 
 <% content_for :content_body_right do %>
+  <%# copy of the hack from app/views/notifications/index.html.erb %>
+  <%= turbo_stream.set_title(title: page_title(*html_title_parts)) if turbo_frame_request? %>
   <%= render(split_view_instance) if render_work_package_split_view? %>
 <% end %>