diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index b454e7ca53..31f467398c 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -310,6 +310,8 @@ Session::post_engine_init ()
 		config.map_parameters (ft);
 		_butler->map_parameters ();
 
+		VirtualSoundCheckChanged (_virtual_soundcheck); /* EMIT SIGNAL */
+
 		/* Configure all processors; now that the
 		 * engine is running, ports are re-established,
 		 * and IOChange are complete.