diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 634efda354407f..04f7543da4c411 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -336,6 +336,8 @@ def test_osx_android_utf8(self):
         self.assertEqual(stdout, expected)
         self.assertEqual(p.returncode, 0)
 
+    @unittest.skipIf(os.environ.get("PYTHONUNBUFFERED", "0") != "0",
+                     "Python stdio buffering is disabled.")
     def test_non_interactive_output_buffering(self):
         code = textwrap.dedent("""
             import sys