diff --git a/gtk2_ardour/foldback_strip.cc b/gtk2_ardour/foldback_strip.cc
index 898023d5aa..b3332d2a17 100644
--- a/gtk2_ardour/foldback_strip.cc
+++ b/gtk2_ardour/foldback_strip.cc
@@ -91,6 +91,7 @@ FoldbackStrip::FoldbackStrip (Mixer_UI& mx, Session* sess, boost::shared_ptr<Rou
 	, fb_level_control (0)
 //	, _visibility (X_("mixer-element-visibility"))
 {
+	_session = sess;
 	init ();
 	set_route (rt);
 }
@@ -124,6 +125,7 @@ FoldbackStrip::init ()
 	insert_box = new ProcessorBox (0, boost::bind (&FoldbackStrip::plugin_selector, this), _pr_selection, 0);
 	insert_box->set_no_show_all ();
 	insert_box->show ();
+	insert_box->set_session (_session);
 
 //	send_scroller.show ();
 	send_display.show ();
diff --git a/gtk2_ardour/foldback_strip.h b/gtk2_ardour/foldback_strip.h
index 085e46a812..5e474804e6 100644
--- a/gtk2_ardour/foldback_strip.h
+++ b/gtk2_ardour/foldback_strip.h
@@ -148,6 +148,7 @@ private:
 	bool  _mixer_owned;
 	Width _width;
 	void*  _width_owner;
+	ARDOUR::Session* _session;
 
 	Gtk::EventBox               spacer;
 	Gtk::VBox			send_display;