"style" option affects equation number

[wspr]

Not sure if this is the right behaviour:

\begin{dmath}
F(s) = \int_0^\infty f(t)e^{-st} dt
\end{dmath}

\begin{dmath}[style=\scriptsize]
F(s) = \int_0^\infty f(t)e^{-st} dt
\end{dmath}