From b2a862971b1c8d994136c9fb37866fe01bd1b9da Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 6 Oct 2025 19:48:01 +0200
Subject: [PATCH] Mark session dirty when changing external connections

---
 libs/ardour/port_manager.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/ardour/port_manager.cc b/libs/ardour/port_manager.cc
index 4cae0d5c69..03c3a31000 100644
--- a/libs/ardour/port_manager.cc
+++ b/libs/ardour/port_manager.cc
@@ -1004,6 +1004,10 @@ PortManager::connect_callback (const string& a, const string& b, bool conn)
 		}
 	}
 
+	if (!port_a && !port_b && Config->get_restore_hardware_connections () && !AudioEngine::instance ()->is_jack ()) {
+		AudioEngine::instance ()->session ()->set_dirty ();
+	}
+
 	PortConnectedOrDisconnected (
 	    port_a, a,
 	    port_b, b,