diff --git a/lang/elixir-devel/Makefile b/lang/elixir-devel/Makefile
index c8626c717b3b..11826cb292f5 100644
--- a/lang/elixir-devel/Makefile
+++ b/lang/elixir-devel/Makefile
@@ -1,59 +1,59 @@
 PORTNAME=	elixir
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.14.2
 PORTREVISION=	0
 CATEGORIES=	lang
 MASTER_SITES+=	https://github.com/elixir-lang/elixir/releases/download/${DISTVERSIONPREFIX}${PORTVERSION}/:doc
 PKGNAMESUFFIX=	-devel
 DISTFILES=	Docs.zip:doc
 DIST_SUBDIR=	elixir/${PORTVERSION}
 
 MAINTAINER=	erlang@FreeBSD.org
 COMMENT=	Functional, meta-programming aware language built on top of Erlang VM
 WWW=		https://elixir-lang.org/
 
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	erlang-runtime${ERLANG_VER}>0:lang/erlang-runtime${ERLANG_VER}
 
 USES=		gmake
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	elixir-lang
 
 USE_LOCALE=	en_US.UTF-8
 ALL_TARGET=	# empty
 
 CONFLICTS=	elixir # bin/elixir bin/elixirc bin/iex
 
 REINPLACE_ARGS=	-i ""
 NO_ARCH=	yes
 MAKE_ENV+=	MAN_PREFIX=${PREFIX}/man \
 		PATH="${LOCALBASE}/lib/erlang${ERLANG_VER}/bin:${PATH}"
 
 OPTIONS_DEFINE=		DOCS
 OPTIONS_SUB=		yes
 
-ERLANG_VER=	24
+ERLANG_VER?=	24
 
 .include <bsd.port.options.mk>
 
 post-extract:
 	@${FIND} ${WRKDIR}/doc -name .build -delete
 
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKDIR}/doc/ && ${COPYTREE_SHARE} \* ${STAGEDIR}${DOCSDIR}
 
 post-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/elixir/lib
 	cd ${WRKSRC}/lib/ && for lib in *; do \
 		${MKDIR} ${STAGEDIR}${PREFIX}/lib/elixir/lib/$${lib}/lib; \
 		cd ${WRKSRC}/lib/$${lib}/lib && \
 			${COPYTREE_SHARE} \* ${STAGEDIR}${PREFIX}/lib/elixir/lib/$${lib}/lib; \
 	done
 
 do-test:
 	cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${MAKE_CMD} test
 
 .include <bsd.port.mk>