diff --git a/acceptance/tests/ticket_11727_support_stdin_parsing_in_puppet_parser_validate.rb b/acceptance/tests/ticket_11727_support_stdin_parsing_in_puppet_parser_validate.rb
index 9f4fb6118..832f32252 100644
--- a/acceptance/tests/ticket_11727_support_stdin_parsing_in_puppet_parser_validate.rb
+++ b/acceptance/tests/ticket_11727_support_stdin_parsing_in_puppet_parser_validate.rb
@@ -1,18 +1,19 @@
 test_name "#11727: support stdin parsing in puppet parser validate"
 
 pp = "/tmp/11727.pp"
+manifest = 'notice("hello")'
 
 step "validate with a tty parses the default manifest"
-on agents, puppet(%q{parser validate}) do
+on agents, puppet("parser validate"), :pty => true do
   assert_match(/Validating the default manifest/, stdout,
                "no message about validating default manifest")
 end
 
 step "create the remote manifest file for redirection"
-create_remote_file(agents, pp, 'notice("hello")')
+create_remote_file(agents, pp, manifest)
 
-step "validate with redirection parses STDIN"
-on agents, puppet(%q{parser validate <}, pp) do
+step "validate with redirection parses STDIN from redirection"
+on agents, puppet("parser validate < #{pp}"), :pty => true do
   assert_no_match(/Validating the default manifest/, stdout,
                   "there was message about validating default manifest despite redirect")
 end