diff --git a/Lib/os.py b/Lib/os.py
index 6dc4bf3..dc2e5fd 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -729,7 +729,7 @@
             return p.stdin, p.stdout
         __all__.append("popen4")
 
-import copy_reg as _copy_reg
+import copyreg as _copy_reg
 
 def _make_stat_result(tup, dict):
     return stat_result(tup, dict)