diff --git a/src/option.h b/src/option.h
index ce2dd00..5144c33 100644
--- a/src/option.h
+++ b/src/option.h
@@ -990,6 +990,7 @@
     , BV_KP
 #ifdef FEAT_LISP
     , BV_LISP
+    , BV_LW
 #endif
     , BV_MA
     , BV_ML