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
new file mode 100644
index 000000000..707f783da
--- /dev/null
+++ b/acceptance/tests/ticket_11727_support_stdin_parsing_in_puppet_parser_validate.rb
@@ -0,0 +1,18 @@
+test_name "#11727: support stdin parsing in puppet parser validate"
+
+pp = "#{scratch}/11727.pp"
+
+step "validate with a tty parses the default manifest"
+on agents, puppet(%w{parser validate}) 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")'
+
+step "validate with redirection parses STDIN"
+on agents, puppet(%w{parser validate <}, pp), do
+  assert_no_match(/Validating the default manifest/, stdout,
+                  "there was message about validating default manifest despite redirect")
+end