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-rw-r--r--src/wx/video_view.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/wx/video_view.cc b/src/wx/video_view.cc
index 7e9e1a947..7f93f765e 100644
--- a/src/wx/video_view.cc
+++ b/src/wx/video_view.cc
@@ -60,7 +60,9 @@ VideoView::get_next_frame (bool non_blocking)
}
shared_ptr<Butler> butler = _viewer->butler ();
- DCPOMATIC_ASSERT (butler);
+ if (!butler) {
+ return false;
+ }
add_get ();
boost::mutex::scoped_lock lm (_mutex);