diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc
index 585649e1ec..24b395db0a 100644
--- a/libs/ardour/tempo.cc
+++ b/libs/ardour/tempo.cc
@@ -372,6 +372,7 @@ TempoMap::remove_meter (const MeterSection& tempo)
 	}
 
 	if (removed) {
+		timestamp_metrics (true);
 		PropertyChanged (PropertyChange ());
 	}
 }