diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 68fa70bbffd..cf6684d816b 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1156,6 +1156,9 @@ def test_pass_fds(self):
 
         open_fds = set()
 
+        if support.verbose:
+            print(" -- maxfd =", subprocess.MAXFD)
+
         for x in range(5):
             fds = os.pipe()
             self.addCleanup(os.close, fds[0])