-<% form_for :client_application, @client_application, :url => oauth_client_path(@client_application.user.display_name, @client_application), :html => { :method => :put } do |f| %>
+<%= form_for @client_application, :url => oauth_client_path(@client_application.user.display_name, @client_application), :html => { :method => :put } do |f| %>