From 045d39f2f0a090cf863a5474fc39546c7d5fb17d Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 24 Dec 2025 00:11:18 +0100
Subject: Make film() more defensive.

---
 src/wx/content_timeline.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/wx/content_timeline.cc b/src/wx/content_timeline.cc
index f29171241..a532ccb1a 100644
--- a/src/wx/content_timeline.cc
+++ b/src/wx/content_timeline.cc
@@ -883,7 +883,9 @@ ContentTimeline::force_redraw(dcpomatic::Rect<int> const & r)
 shared_ptr<const Film>
 ContentTimeline::film() const
 {
-	return _film.lock();
+	auto film = _film.lock();
+	DCPOMATIC_ASSERT(film);
+	return film;
 }
 
 
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