diff --git a/gtk2_ardour/editing_convert.h b/gtk2_ardour/editing_convert.h
index 5ed05d4dfb..8e4f5f7949 100644
--- a/gtk2_ardour/editing_convert.h
+++ b/gtk2_ardour/editing_convert.h
@@ -32,6 +32,7 @@ DEFINE_ENUM_CONVERT(Editing::SnapMode)
 DEFINE_ENUM_CONVERT(Editing::EditPoint)
 DEFINE_ENUM_CONVERT(Editing::RegionListSortType)
 DEFINE_ENUM_CONVERT(Editing::MouseMode)
+DEFINE_ENUM_CONVERT(Editing::NoteNameDisplay)
 
 } // namespace PBD