1 files changed, 2 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/easy-format/default.nix b/pkgs/development/ocaml-modules/easy-format/default.nix
index 6a3566fda2b6..161e263e129b 100644
--- a/pkgs/development/ocaml-modules/easy-format/default.nix
+++ b/pkgs/development/ocaml-modules/easy-format/default.nix
@@ -12,7 +12,8 @@ stdenv.mkDerivation {
     sha256 = "00ga7mrlycjc99gzp3bgx6iwhf7i6j8856f8xzrf1yas7zwzgzm9";
   };
 
-  buildInputs = [ ocaml findlib ];
+  nativeBuildInputs = [ ocaml findlib ];
+  strictDeps = true;
 
   createFindlibDestdir = true;