diff --git a/Lib/test/test_capi/test_getargs.py b/Lib/test/test_capi/test_getargs.py
index 703d228f92e..559ca932595 100644
--- a/Lib/test/test_capi/test_getargs.py
+++ b/Lib/test/test_capi/test_getargs.py
@@ -14,7 +14,7 @@ from _testcapi import getargs_keywords, getargs_keyword_only
 try:
     import _testinternalcapi
 except ImportError:
-    _testinternalcapi = NULL
+    _testinternalcapi = None
 
 # > How about the following counterproposal. This also changes some of
 # > the other format codes to be a little more regular.