diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index ce29e6dcba..76cbcca226 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -1292,7 +1292,7 @@ MidiRegionView::display_sysexes()
 		}
 		string text = str.str();
 
-		const double x = trackview.editor().frame_to_pixel(source_beats_to_absolute_frames(time));
+		const double x = trackview.editor().frame_to_pixel(source_beats_to_region_frames(time));
 
 		double height = midi_stream_view()->contents_height();