diff --git a/gtk2_ardour/debug.cc b/gtk2_ardour/debug.cc
index f83111c1cf..5c9895ba9a 100644
--- a/gtk2_ardour/debug.cc
+++ b/gtk2_ardour/debug.cc
@@ -31,3 +31,4 @@ PBD::DebugBits PBD::DEBUG::Accelerators = PBD::new_debug_bit ("accelerators");
 PBD::DebugBits PBD::DEBUG::GUITiming = PBD::new_debug_bit ("guitiming");
 PBD::DebugBits PBD::DEBUG::EngineControl = PBD::new_debug_bit ("enginecontrol");
 PBD::DebugBits PBD::DEBUG::GuiStartup = PBD::new_debug_bit ("guistartup");
+PBD::DebugBits PBD::DEBUG::TrackDrag = PBD::new_debug_bit ("trackdrag");
diff --git a/gtk2_ardour/debug.h b/gtk2_ardour/debug.h
index 14c0a60773..127b9dce3b 100644
--- a/gtk2_ardour/debug.h
+++ b/gtk2_ardour/debug.h
@@ -32,6 +32,7 @@ namespace PBD {
                 extern DebugBits GUITiming;
                 extern DebugBits EngineControl;
 		extern DebugBits GuiStartup;
+		extern DebugBits TrackDrag;
 	}
 }
 
diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index c4a714d5b0..d173f5153f 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -7033,6 +7033,7 @@ void
 Editor::start_track_drag (TimeAxisView& tav, int y, Gtk::Widget& w)
 {
 	track_drag = new TrackDrag (dynamic_cast<RouteTimeAxisView*> (&tav));
+	DEBUG_TRACE (DEBUG::TrackDrag, string_compose ("start track drag with %1\n", track_drag));
 
 	track_drag->drag_cursor = _cursors->move->gobj();
 	track_drag->predrag_cursor = gdk_window_get_cursor (edit_controls_vbox.get_window()->gobj());
@@ -7097,6 +7098,7 @@ Editor::end_track_drag ()
 		gdk_window_set_cursor (edit_controls_vbox.get_toplevel()->get_window()->gobj(), track_drag->predrag_cursor);
 	}
 
+	DEBUG_TRACE (DEBUG::TrackDrag, string_compose ("ending track drag with %1\n", track_drag));
 	delete track_drag;
 	track_drag = nullptr;
 }