Hi, I don't no exactly when it changed, but it still worked in ConTeXt ver: 2010.09.05 13:23 MKIV. Now, there is a one page delay in \getmarking! Please run minimal exmaple below and look at page 7: Section = 1.2 B Header = 1.2 A Steffen ------- \setuppagenumbering [alternative=doublesided,location=] \setupheader[align=middle] \def\KolumneL{{\convertnumber{Numbers}{\namedheadnumber{chapter}}.\,Teil:}\enskip\getmarking[chapter]} \def\KolumneR{\headnumber[section]\enskip\getmarking[section]} \setupheadertexts [\vtop{\startalignment[center]\KolumneR\stopalignment}] [pagenumber] [pagenumber] [\vtop{\startalignment[center]\KolumneL\stopalignment}] \starttext \chapter[reference={Teil_1}, title={Einleitung}, bookmark={Einleitung}, list={Einleitung}, marking={Einleitung}] \dorecurse{14}{\input tufte} \section[ title={A}, marking={A}] \dorecurse{14}{\input tufte} \section[ title={B}, marking={B}] \dorecurse{14}{\input tufte} \stoptext