diff --git a/app/models/project.rb b/app/models/project.rb
index 394173515..da3634ab2 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -56,7 +56,7 @@ class Project < ActiveRecord::Base
                      :delete_permission => :manage_files
 
   acts_as_customizable
-  acts_as_searchable :columns => ['name', 'description'], :project_key => 'id', :permission => nil
+  acts_as_searchable :columns => ['name', 'identifier', 'description'], :project_key => 'id', :permission => nil
   acts_as_event :title => Proc.new {|o| "#{l(:label_project)}: #{o.name}"},
                 :url => Proc.new {|o| {:controller => 'projects', :action => 'show', :id => o.id}},
                 :author => nil