diff --git a/devel/rubygem-curses/Makefile b/devel/rubygem-curses/Makefile
index d07e067d3075..c8e8a1fb2716 100644
--- a/devel/rubygem-curses/Makefile
+++ b/devel/rubygem-curses/Makefile
@@ -1,15 +1,21 @@
 PORTNAME=	curses
 PORTVERSION=	1.3.2
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	freebsd@jonathanprice.org
 COMMENT=	Ruby binding for curses, ncurses and PDCurses
 WWW=		https://rubygems.org/gems/curses
 
 LICENSE=	RUBY BSD2CLAUSE
 LICENSE_COMB=	dual
 
 USES=		gem ncurses
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CONFIGURE_ARGS+=	--with-cflags="-Wno-error=incompatible-function-pointer-types"
+.endif
+
 .include <bsd.port.mk>