diff --git a/include/oledb.idl b/include/oledb.idl
index 488a160..fb57501 100644
--- a/include/oledb.idl
+++ b/include/oledb.idl
@@ -72,5 +72,7 @@
 #include "binres.idl"
 #include "crtrow.idl"
 
+cpp_quote("#include <accctrl.h>")
+
 cpp_quote("#include <poppack.h>")
 cpp_quote("")