diff --git a/libs/temporal/tempo.cc b/libs/temporal/tempo.cc
index 9a5dd01969..b16c931a9d 100644
--- a/libs/temporal/tempo.cc
+++ b/libs/temporal/tempo.cc
@@ -1390,6 +1390,19 @@ TempoMap::set_tempo (Tempo const & t, timepos_t const & time)
 	return *ret;
 }
 
+TempoPoint &
+TempoMap::set_tempo (Tempo const & t, timepos_t const & time, Beats const & beats)
+{
+	assert (!time.is_beats());
+	BBT_Time bbt;
+
+	TempoMetric metric (metric_at (beats, false));
+	bbt = metric.bbt_at (beats);
+	TempoPoint* tp = new TempoPoint (*this, t, time.superclocks(), beats, bbt);
+	TempoPoint* ret = add_tempo (tp);
+	return *ret;
+}
+
 void
 TempoMap::core_add_point (Point* pp)
 {
diff --git a/libs/temporal/temporal/tempo.h b/libs/temporal/temporal/tempo.h
index 70feee94fb..6305169824 100644
--- a/libs/temporal/temporal/tempo.h
+++ b/libs/temporal/temporal/tempo.h
@@ -1180,6 +1180,7 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
 	int parse_tempo_state_3x (const XMLNode& node, LegacyTempoState& lts);
 	int parse_meter_state_3x (const XMLNode& node, LegacyMeterState& lts);
 	int set_state_3x (XMLNode const &);
+	TempoPoint & set_tempo (Tempo const & t, timepos_t const & time, Beats const & beats);
 
 	friend class TempoPoint;
 	friend class MeterPoint;