diff --git a/boards/static/js/thread_update.js b/boards/static/js/thread_update.js
--- a/boards/static/js/thread_update.js
+++ b/boards/static/js/thread_update.js
@@ -317,17 +317,19 @@ function processNewPost(post) {
 
         var form = $('#form');
 
-        var options = {
-            beforeSubmit: function(arr, $form, options) {
-                showAsErrors($('form'), gettext('Sending message...'));
-            },
-            success: updateOnPost,
-            url: '/api/add_post/' + threadId + '/'
-        };
+        if (form.length > 0) {
+            var options = {
+                beforeSubmit: function(arr, $form, options) {
+                    showAsErrors($('form'), gettext('Sending message...'));
+                },
+                success: updateOnPost,
+                url: '/api/add_post/' + threadId + '/'
+            };
 
-        form.ajaxForm(options);
+            form.ajaxForm(options);
 
-        resetForm(form);
+            resetForm(form);
+        }
     }
 
     $('#autoupdate').click(getThreadDiff);
diff --git a/boards/templates/boards/thread.html b/boards/templates/boards/thread.html
--- a/boards/templates/boards/thread.html
+++ b/boards/templates/boards/thread.html
@@ -61,12 +61,12 @@
         </div>
 
         <script src="{% static 'js/jquery.form.min.js' %}"></script>
-        <script src="{% static 'js/thread_update.js' %}"></script>
-        <script src="{% static 'js/3party/centrifuge.js' %}"></script>
     {% endif %}
 
     <script src="{% static 'js/form.js' %}"></script>
     <script src="{% static 'js/thread.js' %}"></script>
+    <script src="{% static 'js/thread_update.js' %}"></script>
+    <script src="{% static 'js/3party/centrifuge.js' %}"></script>
 
     {% endcache %}
 {% endblock %}