diff --git a/test/blackbox-tests/test-cases/js_of_ocaml/dune-project b/test/blackbox-tests/test-cases/js_of_ocaml/dune-project
new file mode 100644
index 00000000..de4fc209
--- /dev/null
+++ b/test/blackbox-tests/test-cases/js_of_ocaml/dune-project
@@ -0,0 +1 @@
+(lang dune 1.0)