From 02684009ebcb94c71afd2266ece50b7efa2fe108 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 20 Mar 2019 20:50:29 -0700
Subject: [PATCH] safety fix, in case non-Route stripable is selected

---
 gtk2_ardour/duplicate_routes_dialog.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/duplicate_routes_dialog.cc b/gtk2_ardour/duplicate_routes_dialog.cc
index 0b6cc04c96..7dec5c500a 100644
--- a/gtk2_ardour/duplicate_routes_dialog.cc
+++ b/gtk2_ardour/duplicate_routes_dialog.cc
@@ -170,7 +170,9 @@ DuplicateRouteDialog::on_response (int response)
 
 	for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
 		RouteUI* rui = dynamic_cast<RouteUI*> (*t);
-		sl.push_back (rui->route());
+		if (rui) {
+			sl.push_back (rui->route());
+		}
 	}
 
 	sl.sort (Stripable::Sorter());