diff --git a/web/comment_manager.js b/web/comment_manager.js
index f2fc485da..58a503014 100644
--- a/web/comment_manager.js
+++ b/web/comment_manager.js
@@ -408,6 +408,7 @@ class CommentManager {
   destroy() {
     this.#uiManager = null;
     this.#finish();
+    this.#sidebar.hide();
   }
 }