diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index a6bb73721d..a6ae14ee17 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -167,6 +167,7 @@ PBD::Signal0<void> Session::Quit;
 PBD::Signal0<void> Session::FeedbackDetected;
 PBD::Signal0<void> Session::SuccessfulGraphSort;
 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
+PBD::Signal0<void> Session::AfterConnect;
 
 const samplecnt_t Session::bounce_chunk_size = 8192;
 static void clean_up_session_event (SessionEvent* ev) { delete ev; }