Index: app/controllers/administrator_controller.rb
===================================================================
--- app/controllers/administrator_controller.rb	(revision 36)
+++ app/controllers/administrator_controller.rb	(working copy)
@@ -44,12 +44,12 @@
   def signup
     @menu_left = 'administrator/menu_left_signup' if @first_time_install
     @admin_signup = true    
-    @user = User.new(@params[:user])
+    @user = User.new(params[:user])
     @security = OpenStruct.new(params[:security])
-    if @request.post?
+    if request.post?
       @user.admin = true
       if @user.save
-        @session[:user] = User.authenticate(@user.login, @params[:user][:password])
+        session[:user] = User.authenticate(@user.login, params[:user][:password])
         redirect_to :action => 'setup_done'
       end
     end