diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 0020542b71..58089a090b 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -1615,7 +1615,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 
 	mutable bool have_looped; ///< Used in ::audible_frame(*)
 
-	void update_have_rec_enabled_track ();
+	void update_route_active_state ();
 	gint _have_rec_enabled_track;
     gint _have_rec_disabled_track;
 
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index b41f7733aa..f2ae01bcb5 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -2774,6 +2774,8 @@ Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output
 	
 	reassign_track_numbers();
 
+    update_route_active_state ();
+    
 	RouteAdded (new_routes); /* EMIT SIGNAL */
 }
 
@@ -2840,7 +2842,7 @@ Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool
             
 			tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
 			track_playlist_changed (boost::weak_ptr<Track> (tr));
-			tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_have_rec_enabled_track, this));
+			tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_route_active_state, this));
 
 			boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
 			if (mt) {
@@ -3210,6 +3212,8 @@ Session::remove_route (boost::shared_ptr<Route> route)
 		save_history (_current_snapshot_name);
 	}
 	reassign_track_numbers();
+    
+    update_route_active_state ();
 }
 
 void
@@ -5169,7 +5173,7 @@ Session::have_rec_disabled_track () const
 
 /** Update the state of our rec-enabled tracks flag */
 void
-Session::update_have_rec_enabled_track ()
+Session::update_route_active_state ()
 {
 	boost::shared_ptr<RouteList> rl = routes.reader ();
 	RouteList::iterator i = rl->begin();
@@ -5246,7 +5250,8 @@ Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
 void
 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
 {
-	RouteRemovedFromRouteGroup (rg, r);
+    update_route_active_state ();
+	RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
 }
 
 boost::shared_ptr<RouteList>
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index f105cc4507..eefc488193 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -1361,7 +1361,7 @@ Session::set_state (const XMLNode& node, int version)
 		ControlProtocolManager::instance().set_state (*child, version);
 	}
 
-	update_have_rec_enabled_track ();
+	update_route_active_state ();
 
 	/* here beginneth the second phase ... */