diff --git a/colab/templates/base.html b/colab/templates/base.html
index a4d37a4..ed218f1 100644
--- a/colab/templates/base.html
+++ b/colab/templates/base.html
@@ -221,9 +221,11 @@
 
   {% include "tz/set_utc_offset.html" %}
 
-  <script src="https://login.persona.org/include.js"></script>
-  <script src="{% static 'browserid/api.js' %}"></script>
-  <script src="{% static 'browserid/browserid.js' %}"></script>
+  {% if BROWSERID_ENABLED %}
+    <script src="https://login.persona.org/include.js"></script>
+    <script src="{% static 'browserid/api.js' %}"></script>
+    <script src="{% static 'browserid/browserid.js' %}"></script>
+  {% endif %}
 
   {% block footer_js %}{% endblock %}
   </body>
--
libgit2 0.21.2