diff --git a/app/views/rubriken/show.html.erb b/app/views/rubriken/show.html.erb
index 5ce18c1..b52f5e2 100755
--- a/app/views/rubriken/show.html.erb
+++ b/app/views/rubriken/show.html.erb
@@ -10,7 +10,7 @@
 <%= display_meta_tags %>
 
 <% end %>
-<% cache("rubriken_tabs_" + @rubriken.max{|r| r.updated_at.to_i}.updated_at.to_i.to_s + can?(:verwalten, Rubrik).to_s) do %>
+<% cache("rubriken_tabs_"+@rubrik.id.to_s + "_"+@rubriken.max{|r| r.updated_at.to_i}.updated_at.to_i.to_s + can?(:verwalten, Rubrik).to_s) do %>
 <%= render 'tabs' %>
 <% end %>
 <%= render 'layouts/pretty_toolbar', :object=> @toolbar_elements %>