diff --git a/libs/ardour/ardour/types.h b/libs/ardour/ardour/types.h
index d65a114ccb..5e59053aef 100644
--- a/libs/ardour/ardour/types.h
+++ b/libs/ardour/ardour/types.h
@@ -698,6 +698,11 @@ namespace ARDOUR {
 		SMFInstrumentName
 	};
 
+	enum MidiTempoMapDisposition {
+		SMFTempoIgnore,
+		SMFTempoUse,
+	};
+
 } // namespace ARDOUR