Leviticus 26.12
Septuagint


kai emperipathsw en umwn:
kai esomai umwn qeoV, 
kai umeiV esesqe moi laoV

New Testament - 2 Corinthians 6.16

kaqwV eipen o qeoV oti enoikhsw en autoiV 
kai emperipathsw 
kai esomai autwn qeoV 
kai autoi esontai mou laoV

Septuagint

and I will walk among you, and be your God, and ye shall be my people
 

New Testament

even as God said, I will dwell in them, and walk in them; and I will be their God, and they shall be my people

Masoretic Text

And I will walk among you, and will be your God, and ye shall be my people 

Comments:  The NT, LXX and MT agree.