diff --git a/biology/ad2vcf/Makefile b/biology/ad2vcf/Makefile
index a07d29427405..6c1edd2e4dc3 100644
--- a/biology/ad2vcf/Makefile
+++ b/biology/ad2vcf/Makefile
@@ -1,26 +1,28 @@
 PORTNAME=	ad2vcf
 DISTVERSION=	0.1.6
+PORTREVISION=	1
 CATEGORIES=	biology
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Add allelic depth info from a SAM stream to a VCF file
 WWW=		https://github.com/auerlab/ad2vcf
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libbiolibc.so:biology/biolibc libxtend.so:devel/libxtend
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	auerlab
 
+MAKE_ARGS=	MANPREFIX=${PREFIX}/share
 MAKE_ENV+=	VERSION=${PORTVERSION}
-PLIST_FILES=	bin/ad2vcf man/man1/ad2vcf.1.gz
+PLIST_FILES=	bin/ad2vcf share/man/man1/ad2vcf.1.gz
 
 pre-build:
 	(cd ${WRKSRC} && ${MAKE} LOCALBASE=${LOCALBASE} depend)
 
 do-test:
 	(cd ${WRKSRC}/Test && ./run-test.sh)
 
 .include <bsd.port.mk>