diff --git a/tests/scripts/check-names.py b/tests/scripts/check-names.py
index f480a830e..2bb1b0201 100755
--- a/tests/scripts/check-names.py
+++ b/tests/scripts/check-names.py
@@ -301,7 +301,7 @@ class NameCheck(object):
                     "include/mbedtls/mbedtls_config.h.bak")        
         try:
             subprocess.run(
-                ["perl", "scripts/config.pl", "full"],
+                ["perl", "scripts/config.py", "full"],
                 encoding=sys.stdout.encoding,
                 check=True
             )