diff --git a/Lib/multiprocessing/sharedctypes.py b/Lib/multiprocessing/sharedctypes.py
index 45826dd..b94cd52 100644
--- a/Lib/multiprocessing/sharedctypes.py
+++ b/Lib/multiprocessing/sharedctypes.py
@@ -9,10 +9,9 @@
 import sys
 import ctypes
 import weakref
-import copyreg
 
 from multiprocessing import heap, RLock
-from multiprocessing.forking import assert_spawning
+from multiprocessing.forking import assert_spawning, ForkingPickler
 
 __all__ = ['RawValue', 'RawArray', 'Value', 'Array', 'copy', 'synchronized']
 
@@ -124,8 +123,7 @@
 def rebuild_ctype(type_, wrapper, length):
     if length is not None:
         type_ = type_ * length
-    if sys.platform == 'win32' and type_ not in copyreg.dispatch_table:
-        copyreg.pickle(type_, reduce_ctype)
+    ForkingPickler.register(type_, reduce_ctype)
     obj = type_.from_address(wrapper.get_address())
     obj._wrapper = wrapper
     return obj