diff --git a/previewers/betatest/ROCrateDeltablot.html b/previewers/betatest/ROCrateDeltablot.html
index dfd8db3..59663dd 100644
--- a/previewers/betatest/ROCrateDeltablot.html
+++ b/previewers/betatest/ROCrateDeltablot.html
@@ -5,6 +5,7 @@
RO-Crate Preview
+
@@ -46,11 +47,6 @@ RO-Crate Preview
diff --git a/previewers/betatest/js/rocrate-deltablot-module.js b/previewers/betatest/js/rocrate-deltablot-module.js
new file mode 100644
index 0000000..a2eaa71
--- /dev/null
+++ b/previewers/betatest/js/rocrate-deltablot-module.js
@@ -0,0 +1,4 @@
+import { Builder } from 'https://unpkg.com/@deltablot/ro-crate2html@0.1.0/dist/main.js';
+
+const deltablot = {};
+deltablot.Builder = Builder;
\ No newline at end of file