diff --git a/acceptance/tests/environment/enc_nonexistent_directory_environment.rb b/acceptance/tests/environment/enc_nonexistent_directory_environment.rb
index 57815ec48..4a38776e3 100644
--- a/acceptance/tests/environment/enc_nonexistent_directory_environment.rb
+++ b/acceptance/tests/environment/enc_nonexistent_directory_environment.rb
@@ -1,46 +1,46 @@
 test_name "Master should produce error if enc specifies a nonexistent environment"
 testdir = create_tmpdir_for_user master, 'nonexistent_env'
 
 apply_manifest_on(master, <<-MANIFEST, :catch_failures => true)
 File {
   ensure => directory,
-  owner => #{master.puppet['user']},
-  group => #{master.puppet['group']},
-  mode => 0770,
+  owner  => #{master.puppet['user']},
+  group  => #{master.puppet['group']},
+  mode   => '0770',
 }
 
 file {
   "#{testdir}":;
   "#{testdir}/environments":;
   "#{testdir}/environments/production":;
   "#{testdir}/environments/production/manifests":;
   "#{testdir}/environments/production/manifests/site.pp":
     ensure  => file,
     mode => '0644',
     content => 'notify { "In the production environment": }';
 
   "#{testdir}/enc.rb":
     ensure  => file,
     mode    => '0775',
     content => '#!#{master['puppetbindir']}/ruby
       puts "environment: doesnotexist"
     ';
 }
 MANIFEST
 
 master_opts = {
   'main' => {
     'node_terminus' => 'exec',
     'external_nodes' => "#{testdir}/enc.rb",
     'environmentpath' => "#{testdir}/environments",
   }
 }
 
 with_puppet_running_on master, master_opts, testdir do
   agents.each do |agent|
-    on agent, "puppet agent --no-daemonize --onetime --server #{master} --verbose", :acceptable_exit_codes => [0] do
+    on(agent, puppet("agent --no-daemonize --onetime --server #{master} --verbose")) do
       assert_match(/Could not find a directory environment named 'doesnotexist'/, stderr, "Errors when nonexistant environment is specified")
       assert_not_match(/In the production environment/, stdout, "Executed manifest from production environment")
     end
   end
 end