diff --git a/src/lib/eval.ml b/src/lib/eval.ml
--- a/src/lib/eval.ml
+++ b/src/lib/eval.ml
@@ -2018,7 +2018,7 @@ | Some p ->
               let fp = Fpath.append cwd (Fpath.v p) in
               if Eio.Path.is_directory (ctx.fs / Fpath.to_string fp) then begin
                 Unix.chdir (Fpath.to_string fp);
-                Exit.zero @@ S.set_cwd ctx.state fp
+                Exit.zero @@ S.set_cwd ctx.state (Fpath.normalize fp)
               end
               else
                 Exit.nonzero_msg ~exit_code:1 ctx.state