diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index cd9a41b243..d32cca216d 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -3527,7 +3527,8 @@ pub const SEC_LARGE_PAGES = 0x80000000;
 
 pub const HKEY = *opaque {};
 
-pub const HKEY_LOCAL_MACHINE: HKEY = @as(HKEY, @ptrFromInt(0x80000002));
+pub const HKEY_CLASSES_ROOT: HKEY = @ptrFromInt(0x80000000);
+pub const HKEY_LOCAL_MACHINE: HKEY = @ptrFromInt(0x80000002);
 
 /// Combines the STANDARD_RIGHTS_REQUIRED, KEY_QUERY_VALUE, KEY_SET_VALUE, KEY_CREATE_SUB_KEY,
 /// KEY_ENUMERATE_SUB_KEYS, KEY_NOTIFY, and KEY_CREATE_LINK access rights.