diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index eb95a28c0..af5056522 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -32,7 +32,7 @@
 
 /* Same order as the feature array below */
 enum {
-  NONE,
+  _JMO,
 
   LJMO,
   VJMO,