_reel_type->Enable (_generally_sensitive && _film && !_film->references_dcp_video() && !_film->references_dcp_audio());
_reel_length->Enable (_generally_sensitive && _film && _film->reel_type() == REELTYPE_BY_LENGTH);
_upload_after_make_dcp->Enable (_generally_sensitive);
- _markers->Enable (_generally_sensitive);
+ _markers->Enable (_generally_sensitive && _film && !_film->interop());
_metadata->Enable (_generally_sensitive);
_frame_rate_choice->Enable (_generally_sensitive && _film && !_film->references_dcp_video());
_frame_rate_spin->Enable (_generally_sensitive && _film && !_film->references_dcp_video());