1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/janestreet/janePackage.nix b/pkgs/development/ocaml-modules/janestreet/janePackage.nix
index 63c4a900fced..da2687576015 100644
--- a/pkgs/development/ocaml-modules/janestreet/janePackage.nix
+++ b/pkgs/development/ocaml-modules/janestreet/janePackage.nix
@@ -5,7 +5,9 @@
 buildDunePackage (args // {
   inherit version buildInputs;
 
-  minimumOCamlVersion = "4.04";
+  useDune2 = false;
+
+  minimalOCamlVersion = "4.04";
 
   src = fetchFromGitHub {
     owner = "janestreet";