diff --git a/test_subprocess32.py b/test_subprocess32.py
index c312949..000f7d6 100644
--- a/test_subprocess32.py
+++ b/test_subprocess32.py
@@ -538,7 +538,8 @@ class ProcessTestCase(BaseTestCase):
                 [sys.executable, "-c",
                  'import os; '
                  'print([k for k in os.environ.keys() '
-                 '       if ("VERSIONER" not in k and "__CF" not in k)])'],
+                 '       if ("VERSIONER" not in k and "__CF" not in k and '
+                 '           "LD_PRELOAD" not in k and "SANDBOX_" not in k)])'],
                 stdout=subprocess.PIPE, env={})
         try:
             stdout, stderr = p.communicate()