diff --git a/include/mshtml.idl b/include/mshtml.idl
index 18b92bc1952..c6420d67e96 100644
--- a/include/mshtml.idl
+++ b/include/mshtml.idl
@@ -25,6 +25,12 @@ import "ocidl.idl";
 
 cpp_quote("#include <olectl.h>")
 
+cpp_quote("DEFINE_GUID(SID_SEditCommandTarget,  0x3050f4b5,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);")
+cpp_quote("DEFINE_GUID(SID_SHTMLEditHost,       0x3050f6a0,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);")
+cpp_quote("DEFINE_GUID(SID_SHTMLEditServices,   0x3050f7f9,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);")
+cpp_quote("#define SID_SHTMLWindow IID_IHTMLWindow2")
+cpp_quote("#define SID_SElementBehaviorFactory IID_IElementBehaviorFactory")
+
 interface IHTMLDocument2;
 interface IHTMLStyleSheetsCollection;