diff --git a/invenio_previewer/extensions/pdfjs.py b/invenio_previewer/extensions/pdfjs.py
index 34a5591..a7119be 100644
--- a/invenio_previewer/extensions/pdfjs.py
+++ b/invenio_previewer/extensions/pdfjs.py
@@ -27,5 +27,5 @@ def preview(file):
         file=file,
         html_tags='dir="ltr" mozdisallowselectionprint moznomarginboxes',
         css_bundles=["pdfjs_css.css"],
-        js_bundles=["fullscreen_js.js", "open_pdf.js"],
+        js_bundles=current_previewer.js_bundles + ["open_pdf.js", "fullscreen_js.js"],
     )
diff --git a/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html b/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
index 746f2d5..80efe98 100644
--- a/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
+++ b/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
@@ -18,7 +18,6 @@
   {{ super() }}
   <meta name="google" content="notranslate">
   <link rel="resource" type="application/l10n" href="{{ url_for('static', filename='js/pdfjs/web/locale/locale.properties') }}" />
-  <!-- <link rel="stylesheet" href="{{ url_for('static', filename='css/pdfjs/viewer.css') }}">   -->
   <script src="{{ url_for('static', filename='js/pdfjs/pdf.js') }}";></script>
   <script src="{{ url_for('static', filename='js/pdfjs/viewer.js') }}"></script>
 {%- endblock %}
diff --git a/invenio_previewer/webpack.py b/invenio_previewer/webpack.py
index d6e9942..3594848 100644
--- a/invenio_previewer/webpack.py
+++ b/invenio_previewer/webpack.py
@@ -67,9 +67,9 @@
                 "prism_css": "./scss/invenio_previewer/prismjs.scss",
                 "open_pdf": "./js/invenio_previewer/open_pdf.js",
                 "bottom_js": "./js/invenio_previewer/bottom.js",
+                "pdfjs_css": "./css/invenio_previewer/pdfjs/viewer.css",
                 "zip_css": "./scss/invenio_previewer/zip.scss",
                 "bottom_css": "./scss/invenio_previewer/bottom.scss",
-                "pdfjs_css": "./css/invenio_previewer/pdfjs/viewer.css",
                 "simple_image_css": "./scss/invenio_previewer/simple_image.scss",
                 "txt_css": "./scss/invenio_previewer/txt.scss",
                 "videojs_js": "./node_modules/video.js/dist/video.min.js",