diff --git a/direct/src/plugin_activex/stdafx.h b/direct/src/plugin_activex/stdafx.h
index 585130917c..e23d8c004e 100644
--- a/direct/src/plugin_activex/stdafx.h
+++ b/direct/src/plugin_activex/stdafx.h
@@ -15,7 +15,7 @@
 #endif
 
 #ifndef _WIN32_WINNT        // Allow use of features specific to Windows NT 4 or later.
-#define _WIN32_WINNT 0x0400 // Change this to the appropriate value to target Windows 2000 or later.
+#define _WIN32_WINNT 0x0403 // Change this to the appropriate value to target Windows 2000 or later.
 #endif
 
 #ifndef _WIN32_WINDOWS      // Allow use of features specific to Windows 98 or later.