1diff --git a/src/kernel/mconfig_dot.ml b/src/kernel/mconfig_dot.ml
2index 0a42a1d3..91997190 100644
3--- a/src/kernel/mconfig_dot.ml
4+++ b/src/kernel/mconfig_dot.ml
5@@ -146,10 +146,10 @@ end = struct
6 let prog, args =
7 match cfg with
8 | Dot_merlin ->
9- let prog = "dot-merlin-reader" in
10+ let prog = "@dot-merlin-reader@" in
11 (prog, [| prog |])
12 | Dune ->
13- let prog = "dune" in
14+ let prog = "@dune@" in
15 (prog, [| prog; "ocaml-merlin"; "--no-print-directory" |])
16 in
17 let cwd = Sys.getcwd () in