diff --git a/core/sys/windows/types.odin b/core/sys/windows/types.odin
index 557fb5a58..0762ec76c 100644
--- a/core/sys/windows/types.odin
+++ b/core/sys/windows/types.odin
@@ -2453,6 +2453,7 @@ CLSCTX_RESERVED6                      :: 0x1000000
 CLSCTX_ACTIVATE_ARM32_SERVER          :: 0x2000000
 CLSCTX_ALLOW_LOWER_TRUST_REGISTRATION :: 0x4000000
 CLSCTX_PS_DLL                         :: 0x80000000
+CLSCTX_ALL                            :: CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER
 
 WSAPROTOCOLCHAIN :: struct {
 	ChainLen: c_int,