diff --git a/app/views/boards/_course_show.html.erb b/app/views/boards/_course_show.html.erb
index 0b0e95b21..5f23c5a69 100644
--- a/app/views/boards/_course_show.html.erb
+++ b/app/views/boards/_course_show.html.erb
@@ -99,7 +99,7 @@
           </div>
           <div class="cl"></div>
           <div class="talkWrapBox">
-            <% reply = Message.new(:subject => "RE: #{@message.subject}")%>
+            <% reply = Message.new(:subject => "RE: #{topic.subject}")%>
             <% if !topic.locked? && authorize_for('messages', 'reply') %>
               <div class="talkWrapMsg" nhname="about_talk_reply" style="display: none;">
                 <em class="talkWrapArrow"></em>