repeatTie question

[Mark Probert]

Hi.

When I compile the following, the tie within the first time bar ends on 
the wrong side of the D. Using a tilde (~) instead of \repeatTie 
results in an error. Can someone please point me in the right direction?

TIA 
 .. mark.

--[start]--
\version "2.22"

tune = \relative c'' {
  \clef treble

  \partial 8 d8~
  \repeat volta 2 { d1 | }
  \alternative {
    { r2 r4 r8 d8\repeatTie | }
    { c1 }
  }
}
\score {
  <<
    \new Staff \tune
  >>
}
--[end]--