diff --git a/include/urlmon.idl b/include/urlmon.idl
index 85a9277eee9..96f665bb83a 100644
--- a/include/urlmon.idl
+++ b/include/urlmon.idl
@@ -82,6 +82,12 @@ interface IBindStatusCallback : IUnknown
         BINDVERB_CUSTOM = 0x00000003
     } BINDVERB;
 
+    typedef enum
+    {
+        BINDINFOF_URLENCODESTGMEDDATA = 0x00000001,
+        BINDINFOF_URLENCODEDEXTRAINFO = 0x00000002
+    } BINDINFOF;
+
     typedef enum
     {
         BINDF_ASYNCHRONOUS = 0x00000001,