[NTG-context] Skipping two

All, Why does this increment by two? \setupoutput[pdf] \newcounter\NonFigCounter \define\NonFigCtrUpdate{\doglobal\increment\NonFigCounter} \define\NonFigCtr{\NonFigCtrUpdate{\tfa\NonFigCounter}} \setuplabeltext[remark=Remark \NonFigCtr:] \defineenumeration [remark] [location=serried, width=broad, text=\labeltext{remark}, headstyle=bold, inbetween=\blank, before=\blank, after=\blank, way=bysection, number=no] \starttext \startremark Foo \stopremark \startremark Foo \stopremark \stoptext