diff --git a/ndk/workqueue.py b/ndk/workqueue.py
index 82cade92..57aac482 100644
--- a/ndk/workqueue.py
+++ b/ndk/workqueue.py
@@ -47,7 +47,7 @@
 
 
 if IS_WINDOWS:
-    import ctypes
+    import ctypes.wintypes
     ProcessGroup = Optional[ctypes.wintypes.HANDLE]