Problem with render :layout with yield :something inside in Rails 2.2.2

Hi,

I got something like this:

_inner_layout.erb.html <%= yield %> <%= yield :sidebar %>

index.erb.html <% render :layout => "inner_layout" do %>   should be rendered only once <% end %>

After switching from Rails 2.1 to 2.2 the code above renders "should be rendered only once" twice. If I add: <% content_for :sidebar do %> <% end %>

then everything is ok.