  We re-estimate the decay branching ratio of $B_s\to 2\gamma$ through
$D_s^+D_s^-$ and $D_s^{*+}D_s^{*-}$ intermediate states, in the effective
Lagrangian approach. We find that the branching ratio does not exceed a few
times $10^{-7}$, contrary to the result recently claimed in the literature.
