From 227815ebab3833302575f2978e89e6ea86959d6f Mon Sep 17 00:00:00 2001
From: Ben Loftis <ben@harrisonconsoles.com>
Date: Sat, 12 Feb 2022 09:34:42 -0600
Subject: [PATCH] fix crash introduced in d8b3

---
 libs/ardour/triggerbox.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 3305deab9f..b2ee751348 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -1048,9 +1048,11 @@ AudioTrigger::set_segment_tempo (double t)
 	/* TODO:  once we have a Region Trimmer, this could get more complicated:
 	 *  this segment might overlap another SD (Coverage==Internal|Start|End)
 	 *  in which case we might be setting both SDs, or not.  TBD*/
-	SegmentDescriptor segment = get_segment_descriptor();
-	for (auto & src : _region->sources()) {
-		src->set_segment_descriptor (segment);
+	if (_region) {
+		SegmentDescriptor segment = get_segment_descriptor();
+		for (auto & src : _region->sources()) {
+			src->set_segment_descriptor (segment);
+		}
 	}
 }