  A recent paper by Rivinius et al. proposed that HR 6819 is a triple system,
with a distant Be star and a binary of 40-day orbit, composed of a B3 III giant
and a dormant black hole (BH). We suggest that the evidence for this model is
not conclusive. In an alternative model, the companion of the giant is by
itself a short-period binary in, say, a $\sim$$4$-day orbit, consisting, for
example, of two A0 stars. Each of the two A0 stars should contribute
$\sim$$4\%$ of the total brightness of the system in the $V$ band, and their
spectral lines are moving due to their assumed orbital motion with an unknown
period. Therefore, only a careful analysis of the observed spectra can exclude
such a model. Before such an analysis is presented and upper limits for the
depths of the hypothetical A0 star absorption lines are derived, the model of a
hidden close pair is more probable than the BH model.
