diff --git a/pkgs/development/compilers/reason/tests/hello/default.nix b/pkgs/development/compilers/reason/tests/hello/default.nix
index 9b551a0a1ee5..3def42ec08f7 100644
--- a/pkgs/development/compilers/reason/tests/hello/default.nix
+++ b/pkgs/development/compilers/reason/tests/hello/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildDunePackage, reason }:
+{ buildDunePackage, ppxlib, reason }:
 
 buildDunePackage rec {
   pname = "helloreason";
@@ -6,9 +6,12 @@ buildDunePackage rec {
 
   src = ./.;
 
-  useDune2 = true;
+  nativeBuildInputs = [
+    reason
+  ];
 
   buildInputs = [
+    ppxlib
     reason
   ];
 
diff --git a/pkgs/development/compilers/reason/tests/hello/dune-project b/pkgs/development/compilers/reason/tests/hello/dune-project
new file mode 100644
index 000000000000..2f602c3083f4
--- /dev/null
+++ b/pkgs/development/compilers/reason/tests/hello/dune-project
@@ -0,0 +1 @@
+(lang dune 3.10)