diff --git a/app/components/admin/site_customization/pages/edit_component.html.erb b/app/components/admin/site_customization/pages/edit_component.html.erb
index 6e7650ad3..9b4850cec 100644
--- a/app/components/admin/site_customization/pages/edit_component.html.erb
+++ b/app/components/admin/site_customization/pages/edit_component.html.erb
@@ -7,6 +7,7 @@
     @page,
     text: t("admin.site_customization.pages.index.delete"),
     method: :delete,
+    confirm: true,
     class: "delete"
   ) %>
 <% end %>
diff --git a/spec/system/admin/site_customization/pages_spec.rb b/spec/system/admin/site_customization/pages_spec.rb
index 6d1f5d841..6192d5632 100644
--- a/spec/system/admin/site_customization/pages_spec.rb
+++ b/spec/system/admin/site_customization/pages_spec.rb
@@ -93,7 +93,9 @@ describe "Admin custom pages", :admin do
     custom_page = create(:site_customization_page, title: "An example custom page")
     visit edit_admin_site_customization_page_path(custom_page)
 
-    click_button "Delete page"
+    accept_confirm "Are you sure? This action will delete \"An example custom page\" and can't be undone." do
+      click_button "Delete page"
+    end
 
     expect(page).not_to have_content "An example custom page"
     expect(page).not_to have_content "example-page"