diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 4416f68a451..4c0d53ac05a 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -314,7 +314,11 @@ class PosixTester(unittest.TestCase):
         if not groups:
             raise unittest.SkipTest("need working 'id -G'")
 
-        self.assertEqual([int(x) for x in groups.split()], posix.getgroups())
+        # The order of groups isn't important, hence the calls
+        # to sorted.
+        self.assertEqual(
+                list(sorted([int(x) for x in groups.split()])),
+                list(sorted(posix.getgroups())))
 
 class PosixGroupsTester(unittest.TestCase):
     if posix.getuid() == 0 and hasattr(posix, 'getgroups') and sys.platform != 'darwin':