VideoPanel::scale_custom_edit_clicked ()
{
auto vc = _parent->selected_video().front()->video;
- CustomScaleDialog dialog(this, vc->size(), _parent->film()->frame_size(), vc->custom_ratio(), vc->custom_size());
+ auto size = vc->size();
+ DCPOMATIC_ASSERT(size);
+
+ CustomScaleDialog dialog(this, *size, _parent->film()->frame_size(), vc->custom_ratio(), vc->custom_size());
if (dialog.ShowModal() != wxID_OK) {
return false;
}