diff --git a/longs/templates/longs/mark_answer.html b/longs/templates/longs/mark_answer.html
index 20448017..5c6bc133 100644
--- a/longs/templates/longs/mark_answer.html
+++ b/longs/templates/longs/mark_answer.html
@@ -21,7 +21,7 @@
             <form method="POST" class="post-form">{% csrf_token %}
                 <input type="hidden" name="form_id" value="discrepancy_form">
                 {{ discrepancy_form.as_p }}
-                <button type="submit" name="save" class="btn btn-default" title="Save score">Save Score</button>
+                <button type="submit" name="save" class="" title="Save score">Save Score</button>
             </form>
 
             <h4>Marker scores and reason</h4>