diff --git a/app/views/front/show_breadcrumb.html.erb b/app/views/front/show_breadcrumb.html.erb
index 734c6812..d06d70e2 100644
--- a/app/views/front/show_breadcrumb.html.erb
+++ b/app/views/front/show_breadcrumb.html.erb
@@ -1,4 +1,4 @@
-<% if not @ancestors.empty? %>
+<% unless @ancestors.blank? %>
 <ul class="breadcrumb">
   <% @ancestors.each_with_index do |node, i| %>
     <% last = i == @ancestors.size-1 %>