[NTG-context] issue with \hyphenatedword

Dear list, I have the following sample: \setuppapersize[A9] \starttext \hyphenatedword{office} office \hsize\zeropoint office \hyphenatedword{office} \stoptext Compiling with latest beta (2018.01.19 13:42), hyphen isn’t used in \hyphenated word and the character after ffi is removed. Could anyone confirm the issue? Many thanks for your help, Pablo -- http://www.ousia.tk