diff --git a/src/option.h b/src/option.h
index 75940cc..bf889e4 100644
--- a/src/option.h
+++ b/src/option.h
@@ -1309,6 +1309,7 @@
 #ifdef FEAT_STL_OPT
     , WV_STL
 #endif
+    , WV_WFB
     , WV_WFH
     , WV_WFW
     , WV_WRAP