diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index 4111a82707..4c2aba206c 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -2876,7 +2876,7 @@ pub const REGSAM = ACCESS_MASK;
 pub const ACCESS_MASK = DWORD;
 pub const LSTATUS = LONG;
 
-pub const HKEY = HANDLE;
+pub const HKEY = *opaque {};
 
 pub const HKEY_LOCAL_MACHINE: HKEY = @intToPtr(HKEY, 0x80000002);