diff --git a/include/dbs.idl b/include/dbs.idl
index 8b3bb0dd46c..a2ed6567496 100644
--- a/include/dbs.idl
+++ b/include/dbs.idl
@@ -183,6 +183,11 @@ enum DBSTATUSENUM
     DBSTATUS_S_DEFAULT = 13
 };
 
+cpp_quote("DEFINE_GUID(DBGUID_SESSION,    0xc8b522f5, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);")
+cpp_quote("DEFINE_GUID(DBGUID_ROWSET,     0xc8b522f6, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);")
+cpp_quote("DEFINE_GUID(DBGUID_ROW,        0xc8b522f7, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);")
+cpp_quote("DEFINE_GUID(DBGUID_STREAM,     0xc8b522f9, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);")
+
 typedef struct tagDBCOLUMNACCESS
 {
     void *pData;