[NTG-context] wrong page numbers when using arranging

[Pavel Dohnal]

Hello,
I am using \setuparranging and it causes me an error in referencing to pages.
I want place number of page into text but this page number is wrong.
As you can see in attached example, "Chapter 2" is printed on page 3
but command \at prints page 4.
Could you please advise how to get the correct page number for
"Chapter 2"? That is page number 3?
Thank you
  Pavel Dohnal


\setuppapersize [A5][A4,landscape]
\setuparranging[2SIDE]

\starttext
	Chapter 1 - \at[chapter1]\\
	Chapter 2 - \at[chapter2]\\
	Chapter 3 - \at[chapter3]\\
	Chapter 4 - \at[chapter4]\\
	Chapter 5 - \at[chapter5]\\
	

	\chapter[chapter1]{Chapter 1}
		{\input knuth }
	\chapter[chapter2]{Chapter 2}
		{\input knuth }
	\chapter[chapter3]{Chapter 3}
		{\input knuth }
	\chapter[chapter4]{Chapter 4}
		{\input knuth }
	\chapter[chapter5]{Chapter 5}
		{\input knuth }
\stoptext
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