diff --git a/tests/patcher_test.py b/tests/patcher_test.py
index 0bebe39..ff8dc24 100644
--- a/tests/patcher_test.py
+++ b/tests/patcher_test.py
@@ -326,6 +326,9 @@ if os.fork() == 0:
     if sys.version_info >= (3, 7):
         check(1, threading, 'child post-fork patched')
         check(1, _threading, 'child post-fork original')
+    else:
+        check(2, threading, 'child post-fork patched')
+        check(3, _threading, 'child post-fork original')
     check(1, eventlet.green.threading, 'child post-fork green')
     exit()
 else:

$ cat test_threads_and_forking.py 
import os
import threading
import time

threads = [threading.Thread(target=time.sleep, args=(1,)) for _ in range(2)]
for t in threads: t.start()
time.sleep(0.1)  # Give py2 threads a chance to actually start
print('pre-fork: {}'.format(len(threading._active)))
label = 'child' if os.fork() == 0 else 'parent'
print('post-fork ({}): {}'.format(label, len(threading._active)))
print('liveness ({}): {}'.format(label, [t.is_alive() for t in threads]))
for t in threads: t.join()
if label == 'child':
	exit()
else:
	os.wait()
$ for p in python2.7 python3.5 python3.6 python3.7 python3.8; do $p --version ; $p test_threads_and_forking.py ; echo ; done
Python 2.7.17
pre-fork: 3
post-fork (parent): 3
liveness (parent): [True, True]
post-fork (child): 1
liveness (child): [False, False]

Python 3.5.9
pre-fork: 3
post-fork (parent): 3
liveness (parent): [True, True]
post-fork (child): 1
liveness (child): [False, False]

Python 3.6.9
pre-fork: 3
post-fork (parent): 3
liveness (parent): [True, True]
post-fork (child): 1
liveness (child): [False, False]

Python 3.7.7
pre-fork: 3
post-fork (parent): 3
liveness (parent): [True, True]
post-fork (child): 1
liveness (child): [False, False]

Python 3.8.3
pre-fork: 3
post-fork (parent): 3
liveness (parent): [True, True]
post-fork (child): 1
liveness (child): [False, False]