diff --git a/app/views/forum_topics/show.html.erb b/app/views/forum_topics/show.html.erb
index 7c5e19031..db8136838 100644
--- a/app/views/forum_topics/show.html.erb
+++ b/app/views/forum_topics/show.html.erb
@@ -18,11 +18,13 @@
     <%= render "forum_posts/listing", :forum_posts => @forum_posts %>
 
     <% if CurrentUser.is_member? %>
-      <p><%= link_to "Reply &raquo;".html_safe, new_forum_post_path(:topic_id => @forum_topic.id), :id => "new-response-link" %></p>
+      <% if CurrentUser.is_janitor? || !@forum_topic.is_locked? %>
+        <p><%= link_to "Reply &raquo;".html_safe, new_forum_post_path(:topic_id => @forum_topic.id), :id => "new-response-link" %></p>
 
-      <div style="display: none;" id="topic-response">
-        <%= render "forum_posts/partials/new/form", :forum_post => ForumPost.new(:topic_id => @forum_topic.id) %>
-      </div>
+        <div style="display: none;" id="topic-response">
+          <%= render "forum_posts/partials/new/form", :forum_post => ForumPost.new(:topic_id => @forum_topic.id) %>
+        </div>
+      <% end %>
     <% end %>
 
     <%= numbered_paginator(@forum_posts) %>