diff --git a/devel/ocaml-react/Makefile b/devel/ocaml-react/Makefile
index a21e86ea1f82..c85094d981a2 100644
--- a/devel/ocaml-react/Makefile
+++ b/devel/ocaml-react/Makefile
@@ -15,6 +15,7 @@ COMMENT=	OCaml module for functional reactive programming
 LICENSE=	BSD3CLAUSE
 
 OPTIONS_DEFINE=	X11
+OPTIONS_DEFAULT=	X11
 
 USE_OCAML=		yes