diff --git a/Lib/test/test_zoneinfo/test_zoneinfo.py b/Lib/test/test_zoneinfo/test_zoneinfo.py
index 41ba92342ff2cbd..992f2c143821d49 100644
--- a/Lib/test/test_zoneinfo/test_zoneinfo.py
+++ b/Lib/test/test_zoneinfo/test_zoneinfo.py
@@ -12,6 +12,7 @@
 import re
 import shutil
 import struct
+import sys
 import tempfile
 import unittest
 from datetime import date, datetime, time, timedelta, timezone
@@ -2154,6 +2155,8 @@ def test_pydatetime(self):
             PYTHONTZPATH=str(ZONEINFO_DATA.tzpath))
 
 
+@unittest.skipIf(sys.modules.get("_zoneinfo") is None,
+                 "_zoneinfo C module not available")
 class ExtensionBuiltTest(unittest.TestCase):
     """Smoke test to ensure that the C and Python extensions are both tested.