diff --git a/web/markdown/markdown-chat-mention.react.js b/web/markdown/markdown-chat-mention.react.js
--- a/web/markdown/markdown-chat-mention.react.js
+++ b/web/markdown/markdown-chat-mention.react.js
@@ -2,22 +2,27 @@
 
 import * as React from 'react';
 
+import type { ResolvedThreadInfo } from 'lib/types/thread-types.js';
+
 import css from './markdown.css';
+import { useOnClickThread } from '../selectors/thread-selectors.js';
 
 type MarkdownChatMentionProps = {
+  +threadInfo: ResolvedThreadInfo,
   +hasAccessToChat: boolean,
   +text: string,
 };
 
 function MarkdownChatMention(props: MarkdownChatMentionProps): React.Node {
-  const { hasAccessToChat, text } = props;
+  const { threadInfo, hasAccessToChat, text } = props;
+  const onClick = useOnClickThread(threadInfo);
 
   if (!hasAccessToChat) {
     return text;
   }
 
   return (
-    <a className={css.chatMention}>
+    <a className={css.chatMention} onClick={onClick}>
       <strong>{text}</strong>
     </a>
   );