diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 2f0101ff21..92678f9c82 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -409,6 +409,8 @@ public:
 	*/
 	PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
 
+	PBD::Signal0<void> UpdateRouteRecordState; /* signals potential change in route recording arming */
+
 	/* Emited when session is loaded */
 	PBD::Signal0<void> SessionLoaded;
 
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 0323bc7663..ec9af39801 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -6143,6 +6143,7 @@ Session::update_route_record_state ()
 		RecordArmStateChanged ();
 	}
 
+	UpdateRouteRecordState ();
 }
 
 void