diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 3cac90d..4b33e15 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -488,6 +488,7 @@ module ApplicationHelper
       css << 'theme-' + theme.name
     end
 
+    css << 'project-' + @project.identifier if @project && @project.identifier.present?
     css << 'controller-' + controller_name
     css << 'action-' + action_name
     css.join(' ')
diff --git a/test/functional/projects_controller_test.rb b/test/functional/projects_controller_test.rb
index c8bd19c..79721d5 100644
--- a/test/functional/projects_controller_test.rb
+++ b/test/functional/projects_controller_test.rb
@@ -589,4 +589,9 @@ class ProjectsControllerTest < ActionController::TestCase
     assert_response :success
     assert_template 'show'
   end
+
+  def test_body_should_have_project_css_class
+    get :show, :id => 1
+    assert_select 'body.project-ecookbook'
+  end
 end