diff --git a/web/chat/chat-thread-list.css b/web/chat/chat-thread-list.css
--- a/web/chat/chat-thread-list.css
+++ b/web/chat/chat-thread-list.css
@@ -24,7 +24,8 @@
   padding-top: 6px;
 }
 div.activeThread,
-div.thread:hover {
+div.thread:hover,
+div.threadListSideBar:hover {
   background: var(--selected-thread-bg);
 }
 div.title {