diff --git a/web/app.js b/web/app.js
index a2b272a5a..b33a1b2e5 100644
--- a/web/app.js
+++ b/web/app.js
@@ -925,7 +925,8 @@ const PDFViewerApplication = {
       return;
     }
     if (
-      (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) &&
+      (typeof PDFJSDev === "undefined" ||
+        PDFJSDev.test("GENERIC && !TESTING")) &&
       this.pdfDocument?.annotationStorage.size > 0 &&
       this._annotationStorageModified
     ) {