diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 7dd14639a..d29c48926 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -10877,4 +10877,6 @@ HFONT CreateFont(
   <define name="ERROR_INTERNET_OUT_OF_HANDLES" value="12001"/>
   <define name="ERROR_INTERNET_POST_IS_NON_SECURE" value="12043"/>
   <define name="ERROR_INTERNET_PROTOCOL_NOT_FOUND" value="12008"/>
+  <define name="HANDLE_FLAG_INHERIT" value="1"/>
+  <define name="HANDLE_FLAG_PROTECT_FROM_CLOSE" value="2"/>
 </def>