diff --git a/web/src/topic_list.ts b/web/src/topic_list.ts
index a99cba8f31..c20ed9587e 100644
--- a/web/src/topic_list.ts
+++ b/web/src/topic_list.ts
@@ -62,6 +62,7 @@ export function clear(): void {
 export function close(): void {
     zoomed = false;
     clear();
+    ui_util.enable_left_sidebar_search();
 }
 
 export function zoom_out(): void {