From 9ac66b3d865348de5fb326aacf9c2060ae5657d4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 27 Aug 2025 15:11:18 +0200
Subject: [PATCH] Another safeguard against pianoroll timer issues

---
 gtk2_ardour/pianoroll.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/pianoroll.cc b/gtk2_ardour/pianoroll.cc
index f1e145f406..2447db594e 100644
--- a/gtk2_ardour/pianoroll.cc
+++ b/gtk2_ardour/pianoroll.cc
@@ -591,7 +591,8 @@ Pianoroll::maybe_update ()
 		_playhead_cursor->set_position (0);
 	}
 
-	if (_session->transport_rolling() && follow_playhead() && !_scroll_drag) {
+	assert (_session);
+	if (_session && _session->transport_rolling() && follow_playhead() && !_scroll_drag) {
 		reset_x_origin_to_follow_playhead ();
 	}
 }