diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 62035ddd3a..88616e013f 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -1338,7 +1338,7 @@ MIDITrigger::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sam
 		 */
 
 		samplepos_t buffer_samples = timeline_samples - start_sample + dest_offset;
-		last_event_samples = buffer_samples;
+		last_event_samples = timeline_samples;
 
 		const Evoral::Event<MidiBuffer::TimeType> ev (Evoral::MIDI_EVENT, buffer_samples, next_event.size(), const_cast<uint8_t*>(next_event.buffer()), false);
 		DEBUG_TRACE (DEBUG::Triggers, string_compose ("inserting %1\n", ev));