diff --git a/stylesheets/dark_spook.css b/stylesheets/dark_spook.css
index 2ca55a20..e667cc01 100644
--- a/stylesheets/dark_spook.css
+++ b/stylesheets/dark_spook.css
@@ -209,6 +209,11 @@ div.boardlist:not(.bottom) {
   background-color: #1E1E1E;
 }
 
+.theme-catalog div.thread:hover {
+  background: #555;
+  border-color: transparent;
+}
+
 div.report {
   color: #666666;
 }