diff --git a/app/controllers/roles_controller.rb b/app/controllers/roles_controller.rb
index 2de185b..24850ba 100644
--- a/app/controllers/roles_controller.rb
+++ b/app/controllers/roles_controller.rb
@@ -23,6 +23,8 @@ class RolesController < ApplicationController
   before_filter :find_role, :only => [:show, :edit, :update, :destroy]
   accept_api_auth :index, :show
 
+  include RolesHelper
+
   require_sudo_mode :create, :update, :destroy
 
   def index
@@ -106,6 +108,10 @@ class RolesController < ApplicationController
       flash[:notice] = l(:notice_successful_update)
       redirect_to roles_path
     end
+    respond_to do |format|
+      format.html
+      format.csv  { send_data(permissions_to_csv(@roles, @permissions), :type => 'text/csv; header=present', :filename => 'permissions_export.csv') }
+    end
   end
 
   private
diff --git a/app/helpers/roles_helper.rb b/app/helpers/roles_helper.rb
index 737c11d..69e52f9 100644
--- a/app/helpers/roles_helper.rb
+++ b/app/helpers/roles_helper.rb
@@ -18,4 +18,27 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 module RolesHelper
+  def permissions_to_csv(roles, permissions)
+    Redmine::Export::CSV.generate do |csv|
+      # csv header fields
+      headers = [l(:field_cvs_module), l(:label_permissions)] + roles.collect {|role| role.name}
+      csv << headers
+      # csv lines
+      permissions.each do |p|
+        names = [
+          l_or_humanize(p.project_module.to_s, :prefix => 'project_module_'),
+          l_or_humanize(p.name, :prefix => 'permission_').to_s,
+        ]
+        fields = names + roles.collect do |role|
+          if role.setable_permissions.include?(p)
+            role.permissions.include?(p.name) ? 1 : 0
+          else
+            ""
+          end
+
+        end
+        csv << fields
+      end
+    end
+  end
 end
diff --git a/app/views/roles/permissions.html.erb b/app/views/roles/permissions.html.erb
index b403cff..dcc270b 100644
--- a/app/views/roles/permissions.html.erb
+++ b/app/views/roles/permissions.html.erb
@@ -54,6 +54,9 @@
 </tbody>
 </table>
 </div>
+<% other_formats_links do |f| %>
+    <%= f.link_to 'CSV' %>
+<% end %>
 <p><%= check_all_links 'permissions_form' %></p>
 <p><%= submit_tag l(:button_save) %></p>
 <% end %>