diff --git a/cps/templates/layout.html b/cps/templates/layout.html
index 8cb6b76e0..ec69c91ba 100644
--- a/cps/templates/layout.html
+++ b/cps/templates/layout.html
@@ -183,7 +183,7 @@ <h4 class="modal-title" id="bookDetailsModalLabel">{{_('Book Details')}}</h4>
           </div>
           <div class="modal-body">...</div>
           <div class="modal-footer">
-            <button type="button" class="btn btn-default" data-dismiss="modal">{{_('Close')}}</button>
+            <button type="button" id="details_close" class="btn btn-default" data-dismiss="modal">{{_('Close')}}</button>
           </div>
         </div>
       </div>