I am having trouble centering a table:

\setupTABLE[align=middle] %flushright]
\bTABLE
\bTR\bTD Sun \eTD\bTD Aries\eTD\eTR
\eTABLE

produces a table that is flush left with  ConTeXt  ver: 2017.05.12.
align=middle used to be sufficient. So what has changed or what have I
missed?

Alan