diff --git a/gtk2_ardour/control_point.cc b/gtk2_ardour/control_point.cc
index 16b2eb4870..aef2299379 100644
--- a/gtk2_ardour/control_point.cc
+++ b/gtk2_ardour/control_point.cc
@@ -23,6 +23,7 @@
 #include "public_editor.h"
 #include "ui_config.h"
 
+#include "canvas/debug.h"
 #include "canvas/rectangle.h"
 
 #include "pbd/i18n.h"
@@ -45,6 +46,7 @@ ControlPoint::ControlPoint (AutomationLine& al)
 	_size = 4.0;
 
 	_item = new ArdourCanvas::Rectangle (&_line.canvas_group());
+	CANVAS_DEBUG_NAME (_item, "Control Point");
 	_item->set_fill (true);
 	_item->set_fill_color (UIConfiguration::instance().color ("control point fill"));
 	_item->set_outline_color (UIConfiguration::instance().color ("control point outline"));