diff --git a/third_party/python/Lib/os.py b/third_party/python/Lib/os.py
index 76f62113b..df52811da 100644
--- a/third_party/python/Lib/os.py
+++ b/third_party/python/Lib/os.py
@@ -42,6 +42,7 @@ def _get_exports_list(module):
 
 name = 'posix'
 linesep = '\n'
+realname = "nt" if cosmo.kernel == "nt" else "posix"
 from posix import *
 from posix import _exit
 __all__.append('_exit')
diff --git a/third_party/python/Lib/site.py b/third_party/python/Lib/site.py
index 40b0c865a..a58ae18da 100644
--- a/third_party/python/Lib/site.py
+++ b/third_party/python/Lib/site.py
@@ -240,7 +240,7 @@ def _getuserbase():
     def joinuser(*args):
         return os.path.expanduser(os.path.join(*args))
 
-    if os.name == "nt":
+    if os.realname == "nt":
         base = os.environ.get("APPDATA") or "~"
         if env_base:
             return env_base
@@ -298,7 +298,7 @@ def getusersitepackages():
         "posix_user":'{userbase}/lib/python3.6/site-packages',
         "nt_user": "{userbase}/Python36/site-packages",
     }
-    USER_SITE = purelib_map.get('%s_user' % os.name).format(userbase=user_base)
+    USER_SITE = purelib_map.get('%s_user' % os.realname).format(userbase=user_base)
     return USER_SITE
 
 def addusersitepackages(known_paths):