diff --git a/swh/web/templates/includes/content-display.html b/swh/web/templates/includes/content-display.html
index 17baae46..292b31dd 100644
--- a/swh/web/templates/includes/content-display.html
+++ b/swh/web/templates/includes/content-display.html
@@ -1,79 +1,81 @@
 {% comment %}
 Copyright (C) 2017-2020  The Software Heritage developers
 See the AUTHORS file at the top-level directory of this distribution
 License: GNU Affero General Public License version 3, or any later version
 See top-level LICENSE file for more information
 {% endcomment %}
 
 {% load swh_templatetags %}
 
 {% include "includes/revision-info.html" %}
 
 {% if snapshot_context and snapshot_context.is_empty %}
   {% include "includes/empty-snapshot.html" %}
 {% else %}
   <div class="card">
     {% if filename %}
       <div class="swh-content-filename card-header bg-gray-light swh-heading-color">
         {{ filename }}
       </div>
     {% endif %}
     <div class="swh-content">
       {% if content_size > max_content_size %}
         Content is too large to be displayed (size is greater than {{ max_content_size|filesizeformat }}).
       {% elif "inode/x-empty" == mimetype %}
         <i>File is empty</i>
       {% elif filename and filename|default:""|slice:"-5:" == "ipynb" %}
         <div class="swh-ipynb">
         </div>
       {% elif "text/" in mimetype or "application/" in mimetype and encoding != "binary" %}
         <div class="highlightjs">
           <pre><code class="{{ language }}">{{ content }}</code></pre>
         </div>
       {% elif mimetype in browsers_supported_image_mimes and content %}
         <img src="data:{{ mimetype }};base64,{{ content }}"/>
       {% elif "application/pdf" == mimetype %}
         <div class="text-center">
           <div class="py-2">
             <button class="btn btn-default btn-sm" id="pdf-prev">Previous</button>
             <span>Page: <span id="pdf-page-num"></span> / <span id="pdf-page-count"></span></span>
             <button class="btn btn-default btn-sm" id="pdf-next">Next</button>
           </div>
           <canvas id="pdf-canvas"></canvas>
         </div>
       {% elif content %}
         Content with mime type {{ mimetype }} and encoding {{ encoding }} cannot be displayed.
       {% else %}
         {% include "includes/http-error.html" %}
       {% endif %}
     </div>
   </div>
 
-  <script>
-    {% if "application/pdf" == mimetype %}
-      swh.webapp.renderPdf({{ top_right_link.url|jsonify }});
-    {% elif filename and filename|default:""|slice:"-5:" == "ipynb" %}
-      swh.webapp.renderNotebook({{ top_right_link.url|jsonify }}, '.swh-ipynb');
-    {% elif content %}
-      let codeContainer = $('code');
-      let content = codeContainer.text();
+  {% if content %}
+    <script>
+      {% if "application/pdf" == mimetype %}
+        swh.webapp.renderPdf({{ top_right_link.url|jsonify }});
+      {% elif filename and filename|default:""|slice:"-5:" == "ipynb" %}
+        swh.webapp.renderNotebook({{ top_right_link.url|jsonify }}, '.swh-ipynb');
+      {% elif content %}
+        let codeContainer = $('code');
+        let content = codeContainer.text();
 
-      swh.webapp.highlightCode();
+        swh.webapp.highlightCode();
 
-      function updateLanguage(language) {
-        codeContainer.text(content);
-        codeContainer.removeClass();
-        codeContainer.addClass(language);
+        function updateLanguage(language) {
+          codeContainer.text(content);
+          codeContainer.removeClass();
+          codeContainer.addClass(language);
 
-        let urlParams = new URLSearchParams(window.location.search);
-        urlParams.set('language', language);
+          let urlParams = new URLSearchParams(window.location.search);
+          urlParams.set('language', language);
 
-        const newUrl = window.location.pathname + '?' + urlParams.toString() + window.location.hash;
-        window.history.replaceState('', document.title, newUrl);
+          const newUrl = window.location.pathname + '?' + urlParams.toString() + window.location.hash;
+          window.history.replaceState('', document.title, newUrl);
 
-        swh.webapp.highlightCode();
-      }
+          swh.webapp.highlightCode();
+        }
 
-    {% endif %}
-  </script>
+      {% endif %}
+    </script>
+  {% endif %}
 {% endif %}