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Diffstat (limited to 'gtk2_ardour/midi_region_view.cc')
-rw-r--r--gtk2_ardour/midi_region_view.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 2ea8316b37..4a5c209101 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -105,7 +105,8 @@ MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &
MidiRegionView::MidiRegionView (const MidiRegionView& other)
- : RegionView (other)
+ : sigc::trackable(other)
+ , RegionView (other)
, _force_channel(-1)
, _last_channel_selection(0xFFFF)
, _default_note_length(1.0)