diff --git a/app/views/messages/show.rhtml b/app/views/messages/show.rhtml
index ec6fd4f..5c949d4 100644
--- a/app/views/messages/show.rhtml
+++ b/app/views/messages/show.rhtml
@@ -3,7 +3,7 @@
 
 <div class="contextual">
     <%= watcher_tag(@topic, User.current) %>
-    <%= link_to_remote_if_authorized l(:button_quote), { :url => {:action => 'quote', :id => @topic} }, :class => 'icon icon-comment' %>
+    <%= link_to_remote_if_authorized(l(:button_quote), { :url => {:action => 'quote', :id => @topic} }, :class => 'icon icon-comment') unless @topic.locked? %>
     <%= link_to(l(:button_edit), {:action => 'edit', :id => @topic}, :class => 'icon icon-edit') if @message.editable_by?(User.current) %>
     <%= link_to(l(:button_delete), {:action => 'destroy', :id => @topic}, :method => :post, :confirm => l(:text_are_you_sure), :class => 'icon icon-del') if @message.destroyable_by?(User.current) %>
 </div>
@@ -24,7 +24,7 @@
 <% @replies.each do |message| %>
   <div class="message reply" id="<%= "message-#{message.id}" %>">
     <div class="contextual">
-      <%= link_to_remote_if_authorized image_tag('comment.png'), { :url => {:action => 'quote', :id => message} }, :title => l(:button_quote) %>
+      <%= link_to_remote_if_authorized(image_tag('comment.png'), { :url => {:action => 'quote', :id => message} }, :title => l(:button_quote)) unless @topic.locked? %>
       <%= link_to(image_tag('edit.png'), {:action => 'edit', :id => message}, :title => l(:button_edit)) if message.editable_by?(User.current) %>
       <%= link_to(image_tag('delete.png'), {:action => 'destroy', :id => message}, :method => :post, :confirm => l(:text_are_you_sure), :title => l(:button_delete)) if message.destroyable_by?(User.current) %>
     </div>