diff --git a/common/static/common/templates/discussion/forum-action-answer.underscore b/common/static/common/templates/discussion/forum-action-answer.underscore
index 4f9c2bd8fd..77a2ff1376 100644
--- a/common/static/common/templates/discussion/forum-action-answer.underscore
+++ b/common/static/common/templates/discussion/forum-action-answer.underscore
@@ -1,5 +1,5 @@
 <li class="actions-item">
-    <button class="btn action-button action-answer" role="checkbox" aria-checked="false">
+    <button class="btn-link action-button action-answer" role="checkbox" aria-checked="false">
         <span class="sr"><%- gettext("Mark as Answer") %></span>
         <span class="action-label" aria-hidden="true">
             <span class="label-unchecked"><%- gettext("Mark as Answer") %></span>