diff --git a/previewers/betatest/js/rocrate.js b/previewers/betatest/js/rocrate.js
index d07a837..79832e1 100644
--- a/previewers/betatest/js/rocrate.js
+++ b/previewers/betatest/js/rocrate.js
@@ -18,5 +18,9 @@ function writeContentAndData(data, fileUrl, file, title, authors) {
     s2.type = "text/javascript";
     s2.src = "js/ro-crate-dynamic.js";
     scripts.append(s2);
+    dispatchLoad();
+}
+
+async function dispatchLoad() {
     dispatchEvent(new Event('load'));
 }