diff --git a/src/option.h b/src/option.h
index 4bc189c..349268c 100644
--- a/src/option.h
+++ b/src/option.h
@@ -1231,6 +1231,7 @@
 enum
 {
     WV_LIST = 0
+    , WV_LCS
 #ifdef FEAT_ARABIC
     , WV_ARAB
 #endif