3 files changed, 7 insertions, 1 deletions

diff --git a/bin/dune b/bin/dune
index d802869..87b4f4e 100644
--- a/bin/dune
+++ b/bin/dune
@@ -1,4 +1,5 @@
 (executable
  (public_name sand)
  (name main)
- (libraries sand))
+ (libraries sand)
+ (modes exe byte))
diff --git a/dune-project b/dune-project
index b7399d2..cc3ce88 100644
--- a/dune-project
+++ b/dune-project
@@ -4,6 +4,10 @@
 
 (generate_opam_files true)
 
+; Needed to generate correct debug information.
+; See https://dune.readthedocs.io/en/stable/dune-files.html#stanza-map_workspace_root
+(map_workspace_root false)
+
 (source
  (github username/reponame))
 
diff --git a/flake.nix b/flake.nix
index bcd9ed1..6fdf260 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,6 +14,7 @@
         localPackagesQuery = builtins.mapAttrs (_: pkgs.lib.last)
           (on.listRepo (on.makeOpamRepo ./.));
         devPackagesQuery = {
+          earlybird = "*";
           ocaml-lsp-server = "*";
           ocamlformat = "*";
           utop = "*";