diff --git a/sysutils/b2sum/Makefile b/sysutils/b2sum/Makefile
index b3408ec601ae..95252b7d90e5 100644
--- a/sysutils/b2sum/Makefile
+++ b/sysutils/b2sum/Makefile
@@ -1,49 +1,55 @@
 PORTNAME=	b2sum
 PORTVERSION=	20190724
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	sysutils security
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Fast secure hashing
-WWW=		https://blake2.net/
+WWW=		https://blake2.net/ \
+		https://github.com/BLAKE2/BLAKE2
 
 LICENSE=	CC0-1.0
 LICENSE_FILE=	${WRKSRC}/../COPYING
 
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}" LIBS="${LDFLAGS}"
 MAKEFILE=	makefile
 USE_CSTD=	c99
 WRKSRC_SUBDIR=	b2sum
 
-PLIST_FILES=	bin/b2sum
+PLIST_FILES=	bin/b2sum \
+		share/man/man1/b2sum.1.gz
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	BLAKE2
 GH_PROJECT=	BLAKE2
 
 OPTIONS_DEFINE=	OPENMP OPTIMIZED_CFLAGS SSE
+.if exists(/usr/include/omp.h)
+OPTIONS_DEFAULT+=	OPENMP
+.endif
 OPTIONS_DEFAULT_amd64=	SSE
 SSE_DESC=	Use SSE2, SSSE3, SSE4.1, AVX or XOP instructions
 
 OPENMP_CFLAGS=	-fopenmp
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MOPTIMIZED_CFLAGS}
 CFLAGS+=	-O3
 .if !${CFLAGS:M-march=*}
 CFLAGS+=	-march=native
 .endif
 .endif
 
 .if (${PORT_OPTIONS:MSSE} && (${ARCH} == "i386" || ${ARCH} == "amd64"))
 CFLAGS+=	-I../sse -flax-vector-conversions
 .else
 CFLAGS+=	-I../ref
 EXTRA_PATCHES+=	${PATCHDIR}/extra-patch-makefile
 .endif
 
 do-install:
-	${INSTALL_PROGRAM} ${WRKSRC}/b2sum ${STAGEDIR}${PREFIX}/bin
+	${INSTALL_PROGRAM} ${WRKSRC}/b2sum ${STAGEDIR}${PREFIX}/bin/
+	${INSTALL_MAN} ${WRKSRC}/b2sum.1 ${STAGEDIR}${PREFIX}/share/man/man1/
 
 .include <bsd.port.mk>