diff --git a/gtk2_ardour/route_ui.cc b/gtk2_ardour/route_ui.cc
index fedb47c4c3..a529403f37 100644
--- a/gtk2_ardour/route_ui.cc
+++ b/gtk2_ardour/route_ui.cc
@@ -88,8 +88,6 @@ RouteUI::init ()
 	rec_enable_button = manage (new BindableToggleButton (0, ""));
 	rec_enable_button->set_name ("RecordEnableButton");
 	rec_enable_button->set_self_managed (true);
-	
-	_session.SoloChanged.connect (mem_fun(*this, &RouteUI::solo_changed_so_update_mute));
 }
 
 void
@@ -133,6 +131,11 @@ RouteUI::set_button_names (const char* mute, const char* solo, const char* rec)
 void
 RouteUI::set_route (boost::shared_ptr<Route> rp)
 {
+	if (!_route) {
+		/* first time it is set */
+		_session.SoloChanged.connect (mem_fun(*this, &RouteUI::solo_changed_so_update_mute));
+	}
+
 	reset ();
 
 	_route = rp;