diff --git a/web/app.js b/web/app.js
index f8add160bf5c7..58e6e798e5776 100644
--- a/web/app.js
+++ b/web/app.js
@@ -2112,6 +2112,7 @@ const PDFViewerApplication = {
    */
   async testingClose() {
     this.l10n?.pause();
+    this.findBar?.close();
 
     this.unbindEvents();
     this.unbindWindowEvents();