diff --git a/setup.h_vms b/setup.h_vms
index 519419dbcb..d00ed64d11 100644
--- a/setup.h_vms
+++ b/setup.h_vms
@@ -722,6 +722,11 @@
  */
 /* #define wxUSE_UXTHEME_AUTO 1*/
 
+/*
+ *  Set to 1 to use mousewheel events on Windows
+ */
+/* #undef wxUSE_MOUSEWHEEL */
+
 /*
  * Use wxURL class
  */