diff --git a/Lib/test/test_utf8_mode.py b/Lib/test/test_utf8_mode.py
index 3e918fd54ce3ca..e94324cb28b739 100644
--- a/Lib/test/test_utf8_mode.py
+++ b/Lib/test/test_utf8_mode.py
@@ -12,7 +12,7 @@
 
 
 MS_WINDOWS = (sys.platform == 'win32')
-
+HPUX = (sys.platform.startswith('hp-ux'))
 
 class UTF8ModeTests(unittest.TestCase):
     DEFAULT_ENV = {
@@ -205,6 +205,7 @@ def test_locale_getpreferredencoding(self):
         self.assertEqual(out, 'UTF-8 UTF-8')
 
     @unittest.skipIf(MS_WINDOWS, 'test specific to Unix')
+    @unittest.skipIf(HPUX, 'test specific to Unix with single-byte default locale')
     def test_cmd_line(self):
         arg = 'h\xe9\u20ac'.encode('utf-8')
         arg_utf8 = arg.decode('utf-8')
diff --git a/Misc/NEWS.d/next/Tests/2018-08-28-09-29-00.bpo-34403.Eyek0k.rst b/Misc/NEWS.d/next/Tests/2018-08-28-09-29-00.bpo-34403.Eyek0k.rst
new file mode 100644
index 00000000000000..bc732bdea88305
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2018-08-28-09-29-00.bpo-34403.Eyek0k.rst
@@ -0,0 +1 @@
+Skip test_utf8_mode.test_cmd_line() on HP-UX. Patch by Michael Osipov.