diff --git a/Lib/ctypes/wintypes.py b/Lib/ctypes/wintypes.py
index 9c4e721438a..4beba0d1951 100644
--- a/Lib/ctypes/wintypes.py
+++ b/Lib/ctypes/wintypes.py
@@ -63,10 +63,16 @@ HACCEL = HANDLE
 HBITMAP = HANDLE
 HBRUSH = HANDLE
 HCOLORSPACE = HANDLE
+HCONV = HANDLE
+HCONVLIST = HANDLE
+HCURSOR = HANDLE
 HDC = HANDLE
+HDDEDATA = HANDLE
 HDESK = HANDLE
+HDROP = HANDLE
 HDWP = HANDLE
 HENHMETAFILE = HANDLE
+HFILE = INT
 HFONT = HANDLE
 HGDIOBJ = HANDLE
 HGLOBAL = HANDLE
@@ -82,9 +88,11 @@ HMODULE = HANDLE
 HMONITOR = HANDLE
 HPALETTE = HANDLE
 HPEN = HANDLE
+HRESULT = LONG
 HRGN = HANDLE
 HRSRC = HANDLE
 HSTR = HANDLE
+HSZ = HANDLE
 HTASK = HANDLE
 HWINSTA = HANDLE
 HWND = HANDLE