diff --git a/libs/ardour/ardour/region.h b/libs/ardour/ardour/region.h
index bccdbf78f0..abfe9c1b07 100644
--- a/libs/ardour/ardour/region.h
+++ b/libs/ardour/ardour/region.h
@@ -78,6 +78,8 @@ namespace Properties {
 	LIBARDOUR_API extern PBD::PropertyDescriptor<uint64_t>          reg_group;
 	LIBARDOUR_API extern PBD::PropertyDescriptor<bool>              contents; // type doesn't matter here, used for signal only
 	LIBARDOUR_API extern PBD::PropertyDescriptor<bool>              region_fx; // type doesn't matter here, used for signal only
+	LIBARDOUR_API extern PBD::PropertyDescriptor<bool>              region_tempo; // type doesn't matter here, used for signal only
+	LIBARDOUR_API extern PBD::PropertyDescriptor<bool>              region_meter; // type doesn't matter here, used for signal only
 };
 
 class Playlist;