diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index a6290f596..9ef8ca4b2 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -552,6 +552,7 @@ div + .drdn-items {border-block-start: 1px solid var(--oc-gray-4);}
 #project-jump .drdn-content {inline-size: 280px;}
 #project-jump .drdn-items>* {color:var(--oc-gray-7) !important;}
 #project-jump .drdn-items>a:hover {background-color: var(--oc-blue-7); color:var(--oc-white) !important;}
+#project-jump .drdn-items>a.closed:not(:hover) {color:var(--oc-gray-5) !important;}
 
 /***** Tables *****/
 table.list, .table-list {
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f906d0ddf..32d444254 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -574,7 +574,7 @@ module ApplicationHelper
   # Returns an array of projects that are displayed in the quick-jump box
   def projects_for_jump_box(user=User.current)
     if user.logged?
-      user.projects.active.select(:id, :name, :identifier, :lft, :rgt).to_a
+      user.projects.active.select(:id, :name, :identifier, :lft, :rgt, :status).to_a
     else
       []
     end
@@ -596,7 +596,7 @@ module ApplicationHelper
       text = content_tag('span', project.name, :style => "padding-inline-start:#{padding}px;")
       s << link_to(text, project_path(project, :jump => jump),
                    :title => project.name,
-                   :class => (project == selected ? 'selected' : nil))
+                   :class => [('selected' if project == selected), ('closed' if project.closed?)].compact.join(' ').presence)
     end
     [
       [bookmarked, :label_optgroup_bookmarks, true],