gistfile1.diff

diff --git a/app/helpers/katello/hosts_and_hostgroups_helper.rb b/app/helpers/katello/hosts_and_hostgroups_helper.rb
index dfbd7d7..684f8ac 100644
--- a/app/helpers/katello/hosts_and_hostgroups_helper.rb
+++ b/app/helpers/katello/hosts_and_hostgroups_helper.rb
@@ -42,7 +42,7 @@ module Katello
               where("#{::Organization.table_name}.label" => kt_org_label).first
 
           %[<option value="#{kt_org_label}/#{kt_env_label}"
-                    class="kt-env" data-katello-env-id="#{kt_env.id}"
+                    class="kt-env" data-katello-env-id="#{kt_env.try(:id)}"
                     #{selected}>#{kt_env_label}</option>]
 
         end