diff --git a/archivers/rubygem-bzip2-ruby/Makefile b/archivers/rubygem-bzip2-ruby/Makefile
index c3aa628f6391..60bd57a14ca0 100644
--- a/archivers/rubygem-bzip2-ruby/Makefile
+++ b/archivers/rubygem-bzip2-ruby/Makefile
@@ -1,16 +1,22 @@
 PORTNAME=	bzip2-ruby
 PORTVERSION=	0.2.7
 PORTREVISION=	2
 CATEGORIES=	archivers rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Ruby C bindings to libbzip2
 WWW=		https://github.com/brianmario/bzip2-ruby
 
 LICENSE=	BSD2CLAUSE RUBY
 LICENSE_COMB=	dual
 
 USES=		gem
 
+.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>