diff --git a/py2app/apptemplate/lib/site.py b/py2app/apptemplate/lib/site.py
index 2a3673b..2ab85c7 100644
--- a/py2app/apptemplate/lib/site.py
+++ b/py2app/apptemplate/lib/site.py
@@ -201,3 +201,4 @@ def getusersitepackages():
 builtins.help = _sitebuiltins._Helper()
 builtins.quit = _sitebuiltins.Quitter('quit', 'Ctrl-D (i.e. EOF)')
 builtins.exit = _sitebuiltins.Quitter('exit', 'Ctrl-D (i.e. EOF)')
+ENABLE_USER_SITE = False
diff --git a/py2app/bundletemplate/lib/site.py b/py2app/bundletemplate/lib/site.py
index 2a3673b..2ab85c7 100644
--- a/py2app/bundletemplate/lib/site.py
+++ b/py2app/bundletemplate/lib/site.py
@@ -201,3 +201,4 @@ def getusersitepackages():
 builtins.help = _sitebuiltins._Helper()
 builtins.quit = _sitebuiltins.Quitter('quit', 'Ctrl-D (i.e. EOF)')
 builtins.exit = _sitebuiltins.Quitter('exit', 'Ctrl-D (i.e. EOF)')
+ENABLE_USER_SITE = False