diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index 2cafa4e45a1313..fd36ec7155ae76 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -8,6 +8,7 @@
      SimpleHTTPRequestHandler, CGIHTTPRequestHandler
 from http import server, HTTPStatus
 
+import locale
 import os
 import socket
 import sys
@@ -551,6 +552,7 @@ def test_undecodable_filename(self):
         self.check_status_and_reason(response, HTTPStatus.OK,
                                      data=os_helper.TESTFN_UNDECODABLE)
 
+    @unittest.skipIf(locale.getpreferredencoding().lower() != 'utf-8', 'test requires utf-8')
     def test_undecodable_parameter(self):
         # sanity check using a valid parameter
         response = self.request(self.base_url + '/?x=123').read()