diff --git a/devel/ebnf2yacc/Makefile b/devel/ebnf2yacc/Makefile
index 825ebd0dc93f..e227be7e3f61 100644
--- a/devel/ebnf2yacc/Makefile
+++ b/devel/ebnf2yacc/Makefile
@@ -1,14 +1,16 @@
 PORTNAME=	ebnf2yacc
 PORTVERSION=	0.1.1
 CATEGORIES=	devel
 MASTER_SITES=	SF
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	EBNF to YACC
 WWW=		https://sourceforge.net/projects/ebnf2yacc/
 
+USE_CXXSTD=	c++14
+
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	bin/ebnf2yacc
 
 .include <bsd.port.mk>