diff --git a/Lib/re.py b/Lib/re.py
index 1d9c987..3f4f02c 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -278,12 +278,12 @@
 
 # register myself for pickling
 
-import copy_reg
+import copyreg
 
 def _pickle(p):
     return _compile, (p.pattern, p.flags)
 
-copy_reg.pickle(_pattern_type, _pickle, _compile)
+copyreg.pickle(_pattern_type, _pickle, _compile)
 
 # --------------------------------------------------------------------
 # experimental stuff (see python-dev discussions for details)