diff --git a/github-dark.css b/github-dark.css
index 4d6c73f90..f48201c4f 100644
--- a/github-dark.css
+++ b/github-dark.css
@@ -444,7 +444,8 @@
   #message-list .pagination a, #message-list .pagination .disabled,
   .merge-status-item .merge-status-icon,
   .js-release-form .comment-form-head.tabnav,
-  .profile-timeline-year-list.bg-white, .project-columns, .project-header {
+  .profile-timeline-year-list.bg-white, .project-columns, .project-header,
+  .project-triage-pane {
     background: transparent !important;
   }
   .render-container.is-render-ready.is-render-requested:not(.is-render-failed),