diff --git a/app/views/rb_master_backlogs/_backlog.html.erb b/app/views/rb_master_backlogs/_backlog.html.erb
index 775c1fec7..1fcb63b94 100644
--- a/app/views/rb_master_backlogs/_backlog.html.erb
+++ b/app/views/rb_master_backlogs/_backlog.html.erb
@@ -14,7 +14,7 @@
       <%= render :partial => "productbacklog" %>
     <%- end %>
   </div>
-  <ul id="stories-for-<%= backlog[:release] ? "release-#{backlog[:release].id}" : (backlog[:sprint] ? backlog[:sprint].id : 'product-backlog') %>" class="stories">
+  <ul id="stories-for-<%= backlog[:release] ? "release-#{backlog[:release].id}" : (backlog[:sprint] ? backlog[:sprint].id : 'product-backlog') %>" class="stories <%= backlog[:sprint] ? backlog[:sprint].status : '' %>">
     <%= render :partial => "rb_stories/story", :collection => backlog[:stories] %>
   </ul>
 </div>
diff --git a/assets/javascripts/backlog.js b/assets/javascripts/backlog.js
index 751edc7f3..1a5e27c7c 100644
--- a/assets/javascripts/backlog.js
+++ b/assets/javascripts/backlog.js
@@ -177,6 +177,9 @@ RB.Backlog = RB.Object.create({
 
     //get the ui hint up to the header
     RB.$('.ui-sortable-disabled').parent('.backlog').addClass('rb-sortable-disabled');
+
+	// disable locked sprints
+    RB.$('.stories.locked').sortable('disable');
   },
 
   mouseUp: function(event) {