diff --git a/test/effect-based/dune b/test/effect-based/dune
index 3c7e8788..bf1feb81 100644
--- a/test/effect-based/dune
+++ b/test/effect-based/dune
@@ -12,7 +12,9 @@
   (action
    (run %{project_root}/src/cpp/cpp.exe %{input-file})))
  (enabled_if
-  (>= %{ocaml_version} 5.0))
+  (and
+   (= %{system} "linux")
+   (>= %{ocaml_version} 5.0)))
  (package moonpool)
  (libraries
   moonpool